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 2-methyl-1-(2-pyrrolidin-1-yl-2-thiophen-2-ylethyl)-3-[3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)propyl]guanidine .
user
C22H35N7S
assistant