Using CCOOP(=O)(OOCC)C(F)(F)c1ccc(CC(NC(=O)OC(C)(C)C)C(=O)OC)cc1 to produce CCOOP(=O)(OOCC)C(F)(F)c1ccc(CC(NC(=O)OC(C)(C)C)C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.