You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (1S,2S,6S,7S)-4-[(Z)-(3-bromo-4-methoxyphenyl)methylideneamino]-4-azatricyclo[5.2.2.02,6]undec-8-ene-3,5-dione .
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C18H17BrN2O3
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