Using COC(=O)CS, O=Cc1cc(-c2ccccc2)n(Cc2ccccc2)c1Cl to produce COC(=O)c1cc2cc(-c3ccccc3)n(Cc3ccccc3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.