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 2-chloro-N-[(15R,19S)-16,18-dioxo-17-azapentacyclo[6.6.5.02,7.09,14.015,19]nonadeca-2,4,6,9,11,13-hexaen-17-yl]-N-[(2-nitrophenyl)methyl]benzamide is given. What is its corresponding molecular formula?
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C32H22ClN3O5
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