Using CCOC(=O)C(CC(=O)C(C)c1ccc(-c2ccccc2)c(F)c1)C(=O)OCC to produce CC(C(=O)CCC(=O)O)c1ccc(-c2ccccc2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.