Using COCC(=O)Nc1cc2c(cc1[N+](=O)[O-])C(C)(C)C(=O)N2 to produce COCc1nc2cc3c(cc2[nH]1)NC(=O)C3(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.