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-[[3-(2-hydroxyethyl)oxolan-3-yl]methyl]-2-methyl-3-[[4-[(4-methyl-1,4-diazepan-1-yl)methyl]phenyl]methyl]guanidine .
user
C23H39N5O2
assistant