You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[[2-[2-(3,5-dimethylanilino)pyrimidin-4-yl]-1,3-thiazol-5-yl]methyl-methylamino]ethanol into molecular formula.
user
C19H23N5OS
assistant