Using COC(=O)c1c(NC(=O)C(C)(C)C)ccc(N2CCCC2=O)c1[N+](=O)[O-] to produce COC(=O)c1c(NC(=O)C(C)(C)C)ccc2c1nc1n2CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.