You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(Z)-2-[[5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-3-(1,2,5-trimethylpyrrol-3-yl)prop-2-enoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H20N3O5S-
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