You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[4-[[(1S,2S)-2-(5-methoxypyridin-2-yl)cyclopropyl]methoxy]-2-methylpyrimidin-5-yl]cyclohexan-1-one into its molecular formula.
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C21H25N3O3
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