You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(2,6-dimethylphenyl)-2-[[2-(4-methylphenyl)-5H-chromeno[2,3-d]pyrimidin-4-yl]sulfanyl]acetamide ?
user
C28H25N3O2S
assistant