You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-butyl-2-[10-(3-methoxyphenyl)-12,14-dioxo-8,11,13-triazatetracyclo[7.7.0.02,7.011,15]hexadeca-1(9),2,4,6-tetraen-13-yl]benzamide is given. What is its corresponding molecular formula?
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C31H30N4O4
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