Using COc1c[nH]c(=O)cc1-c1cc(Cl)ccc1C#N, COCCC(OS(=O)(=O)C(F)(F)F)C(=O)OC(C)(C)C to produce COCCC(C(=O)OC(C)(C)C)n1cc(OC)c(-c2cc(Cl)ccc2C#N)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.