You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methyl-1-[3-(oxolan-3-yloxy)propyl]-3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-ylmethyl)guanidine is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H30N6O2
assistant