Using CCON, CCCC(=O)C1=C(O)CC(c2cc(C)c3ccccc3c2C)CC1=O to produce CCCC(=NOCC)C1=C(O)CC(c2cc(C)c3ccccc3c2C)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.