Using COC(=O)c1ccc(C=Cc2cccc(OCc3ccc4ccccc4n3)c2)cc1 to produce O=Cc1ccc(C=Cc2cccc(OCc3ccc4ccccc4n3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.