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What is the molecular formula of the compound with this IUPAC name [(5aS,9aS)-1-(4-fluorophenyl)-2,3,5,5a,6,8,9,9a-octahydropyrido[4,3-e][1,4]oxazepin-7-yl]-(4-fluorophenyl)methanone ?
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C21H22F2N2O2
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