You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named benzo[b][1]benzazepine-11-carboxamide;3-oxa-11-azatetracyclo[10.4.0.02,4.05,10]hexadeca-1(16),5,7,9,12,14-hexaene-11-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C30H24N4O3
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