Using CC(=O)N1CCN(c2ccc(OCCCOC3C=CCCC3)cc2)CC1 to produce CC(=O)N1CCN(c2ccc(OCCCOC3CCCCC3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.