Using CCN(CC)C(=O)N[C@H]1C[C@@H]2c3c([N+](=O)[O-])ccc4c3[C@H](C[C@H]2N(C)C1)CN4C(C)=O to produce CCN(CC)C(=O)N[C@H]1C[C@@H]2c3c([N+](=O)[O-])ccc4c3C(CN4)C[C@H]2N(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.