Using COC(=O)c1cc(=NS(=O)(=O)c2ccccc2)c2c(Cl)cc(Cl)cc2[nH]1, CN to produce CNC(=O)c1cc(=NS(=O)(=O)c2ccccc2)c2c(Cl)cc(Cl)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.