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What is the molecular formula of the compound with this IUPAC name (6S,7R)-3-(acetyloxymethyl)-7-[[5-[(2-bromophenoxy)methyl]furan-2-carbonyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ?
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C22H19BrN2O8S
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