Using COC(=O)c1cc(Oc2cc(F)cc(F)c2)c2c(c1)OC(C)(C)C2 to produce CC1(C)Cc2c(Oc3cc(F)cc(F)c3)cc(C(=O)O)cc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.