You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[4-amino-5-(3,4-dimethoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]-N-(2-chloro-4,6-dimethylphenyl)acetamide by IUPAC nomenclature, provide its molecular formula.
user
C20H22ClN5O3S
assistant