Using O=C(O)N1CC[C@H](Nc2ccc([N+](=O)[O-])cn2)C1 to produce O=[N+]([O-])c1ccc(N[C@H]2CCNC2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.