You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-methoxyethyl 7-(2-methoxyphenyl)-2-methyl-5-oxo-4-thiophen-2-yl-4,6,7,8-tetrahydro-3H-quinoline-3-carboxylate into its molecular formula.
user
C25H27NO5S
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