You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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What is the molecular formula of the molecule (13E)-13-ethylidene-5-methoxy-11-methyl-6-azatricyclo[7.3.1.02,7]trideca-2(7),3,5,10-tetraen-1-amine ?
user
C16H20N2O
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