Using Cc1nn(C(C)C)c(Sc2cc(Cl)cc(Cl)c2)c1C(=O)c1ccccc1 to produce Cc1nn(C(C)C)c(Sc2cc(Cl)cc(Cl)c2)c1C(O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.