Using COc1ccc(CCCC(=O)Nc2ccc(Cl)c(C(F)(F)F)c2)cc1 to produce O=C(CCCc1ccc(O)cc1)Nc1ccc(Cl)c(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.