You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1,1-dideuterio-1-[3-[2,2-dideuterio-2-(dimethylamino)ethyl]-1H-indol-5-yl]-N-methylmethanesulfonamide .
user
C14H21N3O2S
assistant