Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(O)CCC(=O)N1CCc2cc(-c3noc(-c4cc(C(F)(F)F)cc(C(F)(F)F)c4)n3)ccc21
(b) C[C@@H]([NH2+]C(C)(C)C)C(=O)c1cccc(Cl)c1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
4-[5-[5-[3,5-bis(trifluoromethyl)phenyl]-1,2,4-oxadiazol-3-yl]-2,3-dihydroindol-1-yl]-4-oxobutanoic acid