You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule diethyl (4R,6S,7R)-5-oxo-7-phenyl-2-propyl-4-thiophen-3-yl-4,6,7,8-tetrahydro-1H-quinoline-3,6-dicarboxylate .
user
C28H31NO5S
assistant