Using CCCSc1nc(Nc2ccccc2Cl)c([N+](=O)[O-])c(N2CCOCC2)n1 to produce CCCSc1nc(Nc2ccccc2Cl)c(N)c(N2CCOCC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.