Using CSc1nc2ccc(C=O)cc2s1, Nc1ccc(OCc2ccccc2)cc1[N+](=O)[O-] to produce CSc1nc2ccc(CNc3ccc(OCc4ccccc4)cc3[N+](=O)[O-])cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.