Using CCOC(=O)Nc1cc2ccccc2cc1/C(O)=C(\C(C)=O)C(=O)OC to produce CC(=O)c1c(O)c2cc3ccccc3cc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.