You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-hydroxy-2-(3-methoxy-4-phenylmethoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-3-[(E)-3-phenylprop-2-enoyl]-2H-pyrrol-5-one by IUPAC nomenclature, provide its molecular formula.
user
C30H25N3O5S
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