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 4-[(2-amino-5,6,8,9-tetrahydro-[1,3]thiazolo[4,5-h][3]benzazepin-7-yl)methyl]-N,N-dimethylbenzamide .
user
C21H24N4OS
assistant