Task: Answer the multiple choice question.
Question: Which drug exhibits a 11.971\% 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(c1ccc(Oc2cc(Cl)cc(Cl)c2)o1)N1CCCCC1
[b] CC1CCN(C(=O)Cn2nnc(-c3ccccc3)n2)CC1
Answer: b. CC1CCN(C(=O)Cn2nnc(-c3ccccc3)n2)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#}
CC1CCN(C(=O)Cn2nnc(-c3ccccc3)n2)CC1
CC1CCN(C(=O)Cn2nnc(-c3ccccc3)n2)CC1
1-(4-methylpiperidin-1-yl)-2-(5-phenyltetrazol-2-yl)ethanone