Using CCOC(=O)c1c(Nc2ccccc2[N+](=O)[O-])sc2ccccc12, CC(C)(C)[O-] to produce CCOC(=O)c1c(N(C)c2ccccc2N)sc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.