Using COC(=O)c1ccc(C)nc1-c1ccc(C(F)(F)F)cc1 to produce Cc1ccc(C(=O)O)c(-c2ccc(C(F)(F)F)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.