Using OB(O)c1ccc(C(F)(F)F)cc1, CCOC(=O)c1ccc(I)c(OCC)c1 to produce CCOC(=O)c1ccc(-c2ccc(C(F)(F)F)cc2)c(OCC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.