You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-N-(3,5-dichlorophenyl)-2-[(5-oxo-4-propyl-1H-1,2,4-triazol-3-yl)sulfanyl]propanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H16Cl2N4O2S
assistant