Using CC(=O)N1CCc2cc(S(=O)(=O)N3CC[C@@H](N(C)C)C3)ccc21 to produce CN(C)[C@@H]1CCN(S(=O)(=O)c2ccc3c(c2)CCN3)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.