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 1-[2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)ethyl]-2-methyl-3-[[2-(4-methylphenyl)-1,3-oxazol-4-yl]methyl]guanidine ?
user
C22H27N5OS
assistant