You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 5-(8-methoxy-4-oxo-2-sulfanylidene-1,5-dihydropyrimido[5,4-b]indol-3-yl)-N-[3-(2-oxopyrrolidin-1-yl)propyl]pentanamide ?
user
C23H29N5O4S
assistant