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 2,5-dimethyl-N-(2-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-8-yl)thieno[2,3-d]pyrimidin-4-amine ?
user
C15H18N6S
assistant