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-[5-ethyl-7,9-dioxo-13-[(Z)-phenylmethoxyiminomethyl]-6-oxa-10,20-diazapentacyclo[10.8.0.02,10.04,8.014,19]icosa-1(20),2,4(8),12,14,16,18-heptaen-5-yl]acetic acid is given. What is its corresponding molecular formula?
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C29H23N3O6
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