Using O=C=Nc1cccc([N+](=O)[O-])c1, CC1(C)C2CC[C@]1(C)C(=O)CC2=O to produce CC1(C)C2CC[C@]1(C)C(=O)C(C(=O)Nc1cccc([N+](=O)[O-])c1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.