Using CCCCCCO, ON=C1CC(c2ccccc2)N(O)C(c2ccccc2)C1 to produce CCCCCCOC1(OCCCCCC)CC(c2ccccc2)N(O)C(c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.