You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[[(2R)-5-amino-1-[5-(2,6-dimethoxy-4-methylphenyl)pentylamino]-1,5-dioxopentan-2-yl]carbamoyl]indol-1-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H38N4O7
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