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What is the molecular formula of the molecule identified by diethyl (4S,6S,7S)-2-amino-4-(2,3-dichlorophenyl)-5-oxo-1-phenyl-7-thiophen-2-yl-4,6,7,8-tetrahydroquinoline-3,6-dicarboxylate ?
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C31H28Cl2N2O5S
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