Using Nc1ncc(Br)s1, CCOC(=O)c1cc(-c2ccc(O)cc2)no1 to produce CCOC(=O)c1cc(-c2ccc(Oc3cnc(N)s3)cc2)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.