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-[[5-(3,4-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-[(2R,6S)-2,6-dimethylpiperidin-1-yl]ethanone ?
user
C19H25N3O4S
assistant