You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl (6R)-6-(2,5-dimethoxyphenyl)-4-[[4-(4-methoxybenzoyl)-1,4-diazepan-1-yl]methyl]-3-methyl-2-oxo-1,6-dihydropyrimidine-5-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C30H38N4O7
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