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Can you give the molecular formula of the molecule (3S,7R)-13-[5-[(3-chloro-2-fluorophenyl)methyl]-1,3,4-thiadiazol-2-yl]-11-hydroxy-7-methyl-4-oxa-1,8-diazatricyclo[8.4.0.03,8]tetradeca-10,13-diene-9,12-dione ?
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C21H18ClFN4O4S
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