Using CC(C)CCN([C@@H]1CN(Cc2ccccc2)C[C@H]1NC(=O)OC(C)(C)C)S(=O)(=O)c1ccc([N+](=O)[O-])cc1 to produce CN([C@@H]1CN(Cc2ccccc2)C[C@H]1N)S(=O)(=O)c1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.