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 1-(2-methoxyphenyl)-6,7-dimethyl-2-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-chromeno[2,3-c]pyrrole-3,9-dione .
user
C23H19N3O4S
assistant