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-methyl-1-(7-oxabicyclo[2.2.1]heptan-2-yl)-3-[(4-propan-2-ylcyclohexyl)methyl]guanidine ?
user
C18H33N3O
assistant