You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-[[4,5-bis(4-chlorophenyl)-1,2,4-triazol-3-yl]sulfanyl]-6-hydroxypiperidin-2-one using the IUPAC nomenclature.
user
C19H16Cl2N4O2S
assistant