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 3-bromo-1-methylpiperidin-4-one;2,5-dimethyl-6,7-dihydro-4H-[1,3]thiazolo[5,4-c]pyridine;1-methylpiperidin-4-one;5-methyl-1,4,6,7-tetrahydro-[1,3]thiazolo[5,4-c]pyridine-2-thione .
user
C27H43BrN6O2S3
assistant