You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-(cyclopropylmethyl)-N-(3-hydroxy-2,2-dimethylcyclobutyl)-5-oxopyrrolidine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C15H24N2O3
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