Task: Answer the MCQ question.
Question: Which drug exhibits a 1.539\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCOc1ncccc1C(=O)N1CCN(c2ccc(C(F)(F)F)cn2)CC1
[b] O=C(CSc1ccc(-c2ccccn2)nn1)NCc1ccc(F)cc1
[c] COc1nc(-c2ccc(C)cc2)ccc1-c1noc(-c2ccco2)n1
[d] COc1cc2ccccc2cc1C(=O)Nc1cccnc1
Answer: a. CCOc1ncccc1C(=O)N1CCN(c2ccc(C(F)(F)F)cn2)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#}
CCOc1ncccc1C(=O)N1CCN(c2ccc(C(F)(F)F)cn2)CC1
CCOc1ncccc1C(=O)N1CCN(c2ccc(C(F)(F)F)cn2)CC1
(2-ethoxypyridin-3-yl)-[4-[5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]methanone