You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule methane;2-propan-2-ylcyclopentan-1-one;2-propan-2-yl-1H-imidazole;4-propan-2-yloxane;2-propan-2-yl-1,3-oxazole;2-propan-2-ylpyrazine;5-propan-2-yl-1H-pyrazole;2-propan-2-yl-1H-pyrrole;5-propan-2-yl-2H-pyrrole;2-propan-2-yl-1,3-thiazole .
user
C78H138N12O4S2
assistant