You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[1-[1-(3,5-dichlorobenzoyl)pyrrolidine-2-carbonyl]piperidin-4-yl]-(3-methylpiperidin-1-yl)methanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H31Cl2N3O3
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