Using CCOC(C)=O, Cn1c(-c2ccccn2)nc(-c2ccc(Br)cc2)c1Sc1ccc(Cl)cc1 to produce CC(=O)c1ccc(-c2nc(-c3ccccn3)n(C)c2Sc2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.