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 4-[[dimethylamino-(5-methylfuran-2-yl)-[(E)-(1,3,3-trimethylindol-2-ylidene)methyl]-lambda5-phosphanylidene]amino]benzenesulfonamide is given. What is its corresponding molecular formula?
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C25H31N4O3PS
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