Using NCCCn1nnc2ccccc21, NC(=O)C1C=C(C(=O)CBr)C=CC1(O)OCc1ccccc1 to produce NC(=O)c1cc(C(O)CNCCCn2nnc3ccccc32)ccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.