You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,5R,6S)-2-amino-4,4-dimethoxy-6-(2-methoxyphenyl)-3-azabicyclo[3.1.0]hex-2-ene-1,5-dicarbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C16H16N4O3
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