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-amino-6-bromo-N-[[(2S)-1-ethylpyrrolidin-2-yl]methyl]-5-(trifluoromethyl)pyrazine-2-carboxamide .
user
C13H17BrF3N5O
assistant