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What is the molecular formula of the molecule (7S)-2-methyl-1'-(1,3-thiazol-2-ylmethyl)spiro[6,9-dihydro-[1,4]oxazino[3,4-c][1,2,4]triazine-7,3'-pyrrolidine]-3,4-dione ?
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C14H17N5O3S
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