Using Cc1ccc(CNc2ccc3c(CCl)cccc3n2)o1, O=S([O-])c1ccc(Cl)cc1 to produce Cc1ccc(CNc2ccc3c(CS(=O)(=O)c4ccc(Cl)cc4)cccc3n2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.