You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(3aR,4S,6aS)-4-(2-methylphenyl)-2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrol-5-yl]-[2-ethyl-5-(2-methylpropyl)pyrazol-3-yl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C23H32N4O
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