You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 3-(acetamidomethyl)-3-[(4,5-dichloro-1-methylindole-2-carbonyl)amino]piperidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H30Cl2N4O4
assistant