Using Cc1cc(S(N)(=O)=O)c(C)s1, O=C=Nc1ccc(Cl)cc1 to produce Cc1cc(S(=O)(=O)NC(=O)Nc2ccc(Cl)cc2)c(C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.