Using C[C@H]1CN(C(=O)OC(C)(C)C)CCN1S(=O)(=O)c1ccc(Cl)cc1 to produce C[C@H]1CNCCN1S(=O)(=O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.