Task: Answer the MCQ question.
Question: Which drug exhibits a 2.761\% 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 CC(C)/C(=N\NS(=O)(=O)c1ccc(Br)cc1)c1cccs1
b CN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)cn2)CC1
Answer: b. CN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)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#}
CN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)cn2)CC1
CN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)cn2)CC1
1-methyl-4-(5-piperidin-1-ylsulfonylpyridin-2-yl)piperazine