Using C=CCOC(=O)c1ccc(NC(=O)C(=NOC)c2ccc3c(c2)C(C)(C)CCC3(C)C)cc1 to produce CON=C(C(=O)Nc1ccc(C(=O)O)cc1)c1ccc2c(c1)C(C)(C)CCC2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.