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-(butylsulfinylmethylsulfanyl)-4-(1,2-dimethylimidazol-4-yl)-6-(1,3-thiazol-2-yl)pyridine-3-carbonitrile ?
user
C19H21N5OS3
assistant