Using CN1C(=O)[C@@H](NC(=O)OC(C)(C)C)CN(S(C)(=O)=O)c2ccccc21 to produce CN1C(=O)[C@@H](N)CN(S(C)(=O)=O)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.