You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named dimethyl 9-[4-(1-methoxyethenylamino)phenyl]-8,12,14-triazatetracyclo[8.6.1.02,7.013,17]heptadeca-1(17),2,4,6,10,13,15-heptaene-8,12-dicarboxylate by IUPAC nomenclature, provide its molecular formula.
user
C27H24N4O5
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