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 (1S,2S,10R,11S,12S)-10-phenyl-9-azatetracyclo[10.2.1.02,11.03,8]pentadeca-3(8),4,6-triene-5-carboxamide is given. What is its corresponding molecular formula?
user
C21H22N2O
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