Using COC(=O)Cc1cccc(CBr)c1, CC(C)NC1CCN(c2nc3ccc(Cl)cc3s2)CC1 to produce COC(=O)Cc1cccc(CN(C(C)C)C2CCN(c3nc4ccc(Cl)cc4s3)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.