Using Cc1ccc(S(=O)(=O)OCCN(CC(C)(C)O)S(=O)(=O)c2ccc(C)cc2)cc1 to produce Cc1ccc(S(=O)(=O)N2CCOC(C)(C)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.