Using CC1=C(c2ccc(-n3ccnc3C)c([N+](=O)[O-])c2)CNC1=O to produce CC1=C(c2ccc(-n3ccnc3C)c(N)c2)CNC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.