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 1-[5-[4-(3-thiophen-2-yl-1,2,4-oxadiazol-5-yl)butanoylamino]pyridin-2-yl]piperidine-3-carboxamide ?
user
C21H24N6O3S
assistant