You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[4-(10,15,20-triphenyl-23,24-dihydroporphyrin-5-yl)pyridin-1-ium-1-yl]ethanesulfonic acid into molecular formula.
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C45H34N5O3S+
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