Using C1CC2CC2N1, O=C(c1cc2cc(OCCCCl)ccc2[nH]1)N1CCOCC1 to produce O=C(c1cc2cc(OCCCN3CCC4CC43)ccc2[nH]1)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.