Using COc1cc(OC)nc(C(C#N)c2cccc(Cl)c2)n1, COS(=O)(=O)OC to produce COc1cc(OC)nc(C(C)(C#N)c2cccc(Cl)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.