You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2-bromophenyl)methyl]-2-[(2-bromophenyl)methylsulfanyl]-5-(piperidin-1-ylmethyl)pyrimidin-4-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H25Br2N3OS
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