You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R,4S)-N-butyl-4-hydroxy-2-methyl-4-[(2S,5S)-2-methyl-3,16-dioxo-1,4-diazacyclohexadec-5-yl]butanamide into molecular formula.
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C24H45N3O4
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