You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(Z)-1-(2-hydroxyphenyl)ethylideneamino]-2-[[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-2-yl]sulfanyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H20N4O2S3
assistant