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-[3-(1,3-benzothiazol-2-yl)-2-[2-(1-methylimidazol-4-yl)ethylimino]-1,4-dihydropyrimidin-4-yl]acetonitrile .
user
C19H19N7S
assistant