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-[3-(3-methyl-1,2,4-oxadiazol-5-yl)-5,7-dihydro-4H-thieno[2,3-c]pyran-2-yl]-2-(trifluoromethyl)benzamide .
user
C18H14F3N3O3S
assistant