Using Clc1ccc2ncc(Br)n2n1, O=Cc1c(F)cc2ncccc2c1F to produce OC(c1c(F)cc2ncccc2c1F)c1cnc2ccc(Cl)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.