Using OC1CCNC1, O=C1C(Cc2ccc(Br)cc2Cl)CCCN1C1CCCCC1 to produce O=C1C(Cc2ccc(N3CCC(O)C3)cc2Cl)CCN1C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.