You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
acetonitrile;N-cyclobutyl-4-[[6-[(5R)-5-(1-hydroxyethyl)-5-methyl-4,6-dihydro-1H-cyclopenta[c]pyrazol-3-yl]-3-oxo-1H-isoindol-2-yl]methyl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H35N5O3
assistant