Using CCOC(=O)CC(C(=O)OCC)C(=O)OCC, N=C(N)Cc1ccc([N+](=O)[O-])cc1 to produce COC(=O)Cc1c(O)nc(Cc2ccc([N+](=O)[O-])cc2)nc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.