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 3-O-butyl 5-O-ethyl 2-butoxy-6-[4-[2-(2H-tetrazol-5-yl)phenyl]benzoyl]pyridine-3,5-dicarboxylate .
user
C31H33N5O6
assistant