You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-[(1R,2S,10R,11R,12S)-5-amino-7-fluoro-4-methanimidoyl-9-azatetracyclo[10.2.1.02,11.03,8]pentadeca-3,5,7-trien-10-yl]-2-fluorobenzonitrile into molecular formula.
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C22H20F2N4
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