Using CCOC(=O)C(C(=O)OCC)c1ccc(C(=O)c2cccc([N+](=O)[O-])c2)cc1[N+](=O)[O-] to produce Nc1cccc(C(=O)c2ccc3c(c2)NC(=O)C3)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.