Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.463\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(CSc1ccc(Cl)cc1)N1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1
(b) Nc1ccc2nc3c(=O)n(CCc4ccccc4)c(=O)[nH]c3nc2c1
Answer: a. O=C(CSc1ccc(Cl)cc1)N1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1
{#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(CSc1ccc(Cl)cc1)N1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1
O=C(CSc1ccc(Cl)cc1)N1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1
2-(4-chlorophenyl)sulfanyl-1-[4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]ethanone