Task: Answer the MCQ question.
Query: Which compound has a 16.570\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(OC1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1)c1cccc(C(F)(F)F)c1
(b) CCOC(=O)c1c(-c2cccc([N+](=O)[O-])c2)csc1NC(=O)C1CC1
Answer: a. O=C(OC1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1)c1cccc(C(F)(F)F)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(OC1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1)c1cccc(C(F)(F)F)c1
O=C(OC1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1)c1cccc(C(F)(F)F)c1
[1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperidin-4-yl] 3-(trifluoromethyl)benzoate