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 1-cyclopentyl-7-methyl-8-(4-piperidin-1-ylpiperidine-1-carbonyl)-5H-pyrazolo[4,3-c]quinolin-4-one ?
user
C27H35N5O2
assistant