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 2-(1H-benzimidazol-2-yl)-4-[(6,8-dichloro-[1,2,4]triazolo[4,3-a]pyridin-3-yl)sulfanyl]-3-hydroxybut-2-enenitrile .
user
C17H10Cl2N6OS
assistant