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 (6R,7R)-7-[[2-(2,5-dichlorophenyl)sulfanylacetyl]amino]-8-oxo-3-[[1-(2-phenylethyl)pyridin-1-ium-4-yl]sulfanylmethyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid is given. What is its corresponding molecular formula?
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C29H26Cl2N3O4S3+
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