You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named benzhydryl (6R)-7-amino-8-oxo-3-[(E)-2-pyridin-3-ylsulfanylethenyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate is given. What is its corresponding molecular formula?
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C27H23N3O3S2
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