You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-(2-methoxyethyl)-5-[2-(4-methoxyphenyl)-1,3-thiazol-4-yl]-2-methylpyrrole-3-carboxylic acid is given. What is its corresponding molecular formula?
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C19H20N2O4S
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