Using Cc1ccc(C(=O)CBr)cc1, Cc1nn(C)c(O)c1C(=O)c1ccc(Cl)cc1Cl to produce Cc1ccc(C(=O)COc2c(C(=O)c3ccc(Cl)cc3Cl)c(C)nn2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.