You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule methane;2-propan-2-yloxy-3-thiophen-2-ylquinoxaline;propan-2-ylsulfonylcyclopropane;N-propan-2-ylthiophene-2-sulfonamide into molecular formula.
user
C30H45N3O5S4
assistant