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 (1R,2S,6S,7R)-4-[(Z)-[1-[(4-chlorophenyl)methyl]indol-3-yl]methylideneamino]-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione is given. What is its corresponding molecular formula?
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C25H20ClN3O2
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