You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance acetic acid;3-[3-(4,7-diazaspiro[2.5]octan-7-yl)isoquinolin-1-yl]-4-(7-methyl-1H-indol-3-yl)pyrrole-2,5-dione .
user
C30H29N5O4
assistant