Using COC(=O)c1ccc(F)c(-c2c(F)cc(C(C)(C)O)cc2F)n1 to produce CC(C)(O)c1cc(F)c(-c2nc(C(=O)O)ccc2F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.