Problem statement: Answer the multiple-choice question.
Question: Which drug has a 10.954\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=C(Nc1ccccc1N1CCN(C(=O)c2ccccc2)CC1)c1cccc(Cl)c1
[b] CCc1nonc1NC(=O)c1oc2cc(Br)ccc2c1C
[c] Cc1cc(S(=O)(=O)NCc2cccs2)ccc1-n1cnnn1
[d] NC(=O)NC(c1ccccc1)c1cccc2ccccc12
Answer: b. CCc1nonc1NC(=O)c1oc2cc(Br)ccc2c1C
{#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#}
CCc1nonc1NC(=O)c1oc2cc(Br)ccc2c1C
CCc1nonc1NC(=O)c1oc2cc(Br)ccc2c1C
6-bromo-N-(4-ethyl-1,2,5-oxadiazol-3-yl)-3-methyl-1-benzofuran-2-carboxamide