You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (1R)-2-(4,5-dimethyl-1,3-thiazol-2-yl)-1-(3-fluorophenyl)-1H-chromeno[2,3-c]pyrrole-3,9-dione ?
user
C22H15FN2O3S
assistant