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 (3S)-N-[6-(3-methylphenyl)-2-piperidin-1-ylimidazo[2,1-b][1,3,4]thiadiazol-5-yl]oxolane-3-carboxamide ?
user
C21H25N5O2S
assistant