Using O=CNNC(=O)C1(c2ccc(OCCCN3CCCC3)cc2)CCOCC1 to produce c1nnc(C2(c3ccc(OCCCN4CCCC4)cc3)CCOCC2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.