Task: Please answer the multiple choice question.
Question: Which molecules are 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(CC1CCN(Cc2ccn(-c3ccc(C(F)(F)F)cc3)c2)CC1)NC(c1ccccc1)c1ccccn1
b: COC1COCCC1N[C@@H]1C[C@H]2C[C@H](F)C[C@@]2(C(=O)N2CCc3ncc(C(F)(F)F)cc3C2)C1
Answer: a
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}
N-[phenyl(pyridin-2-yl)methyl]-2-[1-[[1-[4-(trifluoromethyl)phenyl]pyrrol-3-yl]methyl]piperidin-4-yl]acetamide