Using COCC1=CCCN(CC(C)Cc2cccc(Oc3ccccc3)c2)C1 to produce COCC1CCCN(CC(C)Cc2cccc(Oc3ccccc3)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.