Using COC(=O)Cc1cccc(OCCBr)c1, NC1CCN(c2nc3ccc(Cl)cc3s2)C1 to produce COC(=O)Cc1cccc(OCCNC2CCN(c3nc4ccc(Cl)cc4s3)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.