You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(1S,2S)-2-hydroxycyclohexyl]-1'-propylspiro[4,5-dihydrothieno[2,3-c]pyran-7,4'-piperidine]-2-carboxamide .
user
C21H32N2O3S
assistant