Using O=C(NCCCl)c1ccco1, O=C1NCN(c2ccccc2)C12CCNCC2 to produce O=C(NCCN1CCC2(CC1)C(=O)NCN2c1ccccc1)c1ccco1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.