You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-hydroxy-1-methyl-3-[N-[4-[methyl-[2-(4-methylpiperazin-1-yl)acetyl]amino]phenyl]-C-phenylcarbonimidoyl]indole-6-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H33N5O4
assistant