You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1,5-dimethylpyrrolidin-2-one;1-methylimidazolidin-2-one;1-methylpyrrolidin-2-one;1,3,3,4,4-pentamethylpyrrolidine-2,5-dione;1,2,2-trimethyl-5-methylidenepyrrolidine by IUPAC nomenclature, provide its molecular formula.
user
C32H58N6O5
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