Using CCOC(=O)C1=Cc2c(ccc(Cl)c2N)OC1C(F)(F)F, I to produce CCOC(=O)C1=Cc2c(ccc(Cl)c2I)OC1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.