Using CCOC(=O)c1cnc2c(F)c(F)c(F)cc2c1O, ClCc1cscn1 to produce CCOC(=O)c1cn(Cc2cscn2)c2c(F)c(F)c(F)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.