Using CCOC(=O)CC(=O)OC(C)(C)C, CCOC(=O)C(C)=C=Cc1ccc(F)cc1 to produce CCOC(=O)C(C)/C(=C\c1ccc(F)cc1)C(C(=O)OCC)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.