Using O=C(NCCc1c[nH]c2ccc(Cl)cc12)c1ccc(CCl)cc1, NC1CCCCC1 to produce O=C(NCCc1c[nH]c2ccc(Cl)cc12)c1ccc(CNC2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.