You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(hydroxymethyl)-11-prop-2-enyl-11-azatricyclo[7.3.1.02,7]trideca-2,4,6-trien-8-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H21NO2
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