You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[3-[2-cyano-3-(11,12-dihydro-6H-benzo[c][1]benzazocin-5-yl)-3-oxoprop-1-enyl]indol-1-yl]acetic acid into molecular formula.
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C29H23N3O3
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