You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethane;1-[1-[2-[2-methoxy-6-(4-methylpiperazin-1-yl)phenyl]ethyl]piperidin-4-yl]indole-6-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H43N5O2
assistant