You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-2-[(4-methoxyphenyl)methyl-[4-(2-oxobenzo[cd]indol-1-yl)butanoyl]amino]-N-propan-2-ylbutanamide into its molecular formula.
user
C30H35N3O4
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