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 (2S)-2-amino-3-(1-chloroimidazol-4-yl)propanoic acid;(2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid .
user
C12H17ClN6O4
assistant