Using CC(C)(C)OC(=O)N1CCC(CCN2Cc3c(cccc3[N+](=O)[O-])C2=O)CC1 to produce CC(C)(C)OC(=O)N1CCC(CCN2Cc3c(N)cccc3C2=O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.