Using CCOC(=O)/C=C/c1ccc(/C(=C(/CC)c2ccccc2)c2ccc3[nH]ncc3c2)cc1 to produce CC/C(=C(/c1ccc(CCC(=O)O)cc1)c1ccc2[nH]ncc2c1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.