Using CCc1c(C(=O)OC(C)(C)C)[nH]c(C=O)c1C(=O)O, II to produce CCc1c(C(=O)OC(C)(C)C)[nH]c(C=O)c1I, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.