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 3-[[6-[(E)-2-amino-1-(3-aminopyrazin-2-yl)ethenoxy]-7-chloro-1-methylimidazo[4,5-b]pyridin-2-yl]amino]-1-methyl-5-(trifluoromethyl)pyridin-2-one .
user
C20H17ClF3N9O2
assistant