You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1R,3S,4S,6R,7R,9S,10R,11S)-1,9-dimethyl-2,8,12-trioxatetracyclo[7.2.1.04,11.06,10]dodecane-3,7-dicarbonitrile into molecular formula.
user
C13H14N2O3
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