Using CCOC(=O)C(C(=O)Nc1c(C(C)C)cccc1C(C)C)c1ccccc1 to produce CC(C)c1cccc(C(C)C)c1NC(=O)C(C(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.