Using CCOC(=O)C1=Cc2ccc(I)cc2OC1C(F)(F)F, OB(O)c1ccco1 to produce CCOC(=O)C1=Cc2ccc(-c3ccco3)cc2OC1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.