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 1-ethyl-2-[[4-methyl-2-(oxolan-3-ylmethoxy)phenyl]methyl]-3-[(3-methylpyridin-2-yl)methyl]guanidine .
user
C23H32N4O2
assistant