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 N-(2,3-dimethylphenyl)-2-[(5Z)-5-[[4-(2-hydroxyethylsulfanyl)-3-nitrophenyl]methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]acetamide .
user
C22H21N3O6S2
assistant