You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-chloro-5-[3-(6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-3-yl)piperidin-1-yl]pyrazin-2-amine into its molecular formula.
user
C14H18ClN7
assistant