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 (3Z)-5-[(2,6-dichlorophenyl)methylsulfonyl]-3-[[4-(4-hydroxypiperidine-1-carbonyl)-3,5-dimethyl-1H-pyrrol-2-yl]methylidene]-1H-indol-2-one .
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C28H27Cl2N3O5S
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