You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-ethyl-4-[[3-[1-(4-nitrophenyl)tetrazol-5-yl]-4-phenylphenyl]methoxy]-5,6,7,8-tetrahydroquinoline ?
user
C31H28N6O3
assistant