Using CCOC(=O)CBr, c1cc(OCc2ccc3ccccc3n2)cc(-c2nnn[nH]2)c1 to produce CCOC(=O)Cn1nnc(-c2cccc(OCc3ccc4ccccc4n3)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.