Using COC(=O)C1CC(C)(C)Oc2cc(F)c(C#N)cc21, CC(C)(C)OC(=O)c1ccc(O)cc1 to produce COC(=O)C1CCOc2cc(Oc3ccc(C(=O)OC(C)(C)C)cc3)c(C#N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.