You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(3S)-5-methyl-4-oxo-2,3-dihydro-1,5-benzoxazepin-3-yl]-5-(1,1,1-trifluoropropan-2-yl)-4,5,6,7-tetrahydrotriazolo[1,5-a]pyridine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C20H22F3N5O3
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