You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl 3-[[1-(4-carbamimidoyl-6-methylcyclohexa-2,4-dien-1-yl)-2-oxopyrrolidin-3-yl]carbamoylamino]-2-[[3-(hydroxymethyl)-1H-indole-2-carbonyl]amino]propanoate by IUPAC nomenclature, provide its molecular formula.
user
C28H35N7O6
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