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What is the molecular formula of the molecule (6R,7R)-3-[4-(1,3-oxazol-2-ylmethyl)phenyl]sulfanyl-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate ?
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C25H20N3O5S2-
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