You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[(5E)-5-[[2,5-dimethyl-1-[4-(4-nitrophenyl)sulfanylphenyl]pyrrol-3-yl]methylidene]-4,6-dioxo-2-sulfanylidene-1,3-diazinan-1-yl]benzoic acid .
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C30H22N4O6S2
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