Using CC(C)(C)OC(=O)Nc1cccc(N)c1, O=C(O)CCc1cccc([N+](=O)[O-])c1 to produce CC(C)(C)OC(=O)Nc1cccc(NC(=O)CCc2cccc([N+](=O)[O-])c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.