You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 3-bromo-N-[4-[(3,5-dimethylpiperidin-1-yl)methyl]-1,3-thiazol-2-yl]-1-methylindole-2-carboxamide using the IUPAC nomenclature.
user
C21H25BrN4OS
assistant