Using COc1cnc(-c2ccc(Cl)c(C(F)(F)F)c2)n(C)c1=O to produce Cn1c(-c2ccc(Cl)c(C(F)(F)F)c2)ncc(O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.