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 (3,5-dimethylpiperazin-1-yl)-[1-methyl-4-(2-methyl-1,3-thiazol-4-yl)pyrrol-2-yl]methanone ?
user
C16H22N4OS
assistant