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What is the molecular formula of the compound with this IUPAC name (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenoxy-2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ?
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C22H22N2O5S
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