Funny how you said nuclear fission is a "proven theory" and then say it's "not a theory". That's a contradiction. Something can't be a proven theory if it's not a theory in the first place. You also have a misunderstanding of what a scientific theory is. That's why you still have the theory of gravity and the theory of relativity being called theories even though they have massive evidence supporting them.
A theory is valid as long as there is no evidence to dispute it, right? Can you dispute nuclear fission? NO, because it was proven already. Did it break the law of conservation of mass and energy? NO! Did it break the 1st law of thermodynamics? NO! So, it qualifies as a proven scientific theory based on these two laws, right?
The Kinetic theory of gases explains Boyle’s law. Nuclear fission explains the law of conservation of mass and energy and the 1st law of thermodynamics. Einstein’s theory of general relativity explains the laws of gravity.
The 2nd law of thermodynamics has been expressed in many ways. Its first formulation is credited to the French scientist
Sadi Carnot in 1824.
Can you dispute the ToE and macroevolution? YES, because there is no law that governs ToE and macroevolution. In fact, they both break the 2nd law of thermodynamics and entropy therefore they should not qualify as scientific theories.
The law is telling us what happens while theory is telling us why and how. The 2nd law of thermodynamics is telling us that things breaks because of entropy while the ToE and macroevolution is telling us that everything evolved from inorganic matter to the first single-celled organism. No new genetic information can be added to a genome. Genetic mutation is not a mechanism that can add new genetic information to a genome.
“I really do not believe that the neo-Darwinian model can account for large-scale evolution [i.e., macroevolution]. What they really can’t account for is the buildup of information. …And not only is it improbable on the mathematical level, that is, theoretically, but experimentally one has not found a single mutation that one can point at that actually adds information. In fact, every beneficial mutation that I have seen reduces the information, it loses information.” -Dr. Spetner