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 5-[(2,3-dihydroxy-4-methoxyphenyl)methylidene]-1-prop-2-enyl-2-sulfanylidene-1,3-diazinane-4,6-dione .
user
C15H14N2O5S
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