You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[2-[[4-(3-bromo-5-chlorothiophen-2-yl)pyrimidin-2-yl]amino]ethyl]-5,5-dimethylimidazolidine-2,4-dione ?
user
C15H15BrClN5O2S
assistant