Using CCOC(=O)c1cnn(-c2c([N+](=O)[O-])c(C)nn2C)c1C(=O)OCC to produce CCOC(=O)c1cnn2c1c(O)nc1c(C)nn(C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.