You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-[6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinazolin-4-yl]phenyl]-1-[4-(trifluoromethyl)phenyl]methanesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H34F3N5O4S
assistant