Task: Answer the MCQ question.
Question: Which drug exhibits a 13.721\% 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 other words.
Options:
[a] O=C(NCc1cccc(Br)c1)C1CC2Cn3c(nc4ccccc43)C2N1Cc1ccccc1
[b] CCNc1ccc2c(Cl)cc(=O)oc2c1
[c] O=C(C1CCCC1)N1CCN(S(=O)(=O)c2ccc(Cl)cc2)CC1
[d] O=C(Nc1ccc2nc(-c3cccnc3)[nH]c2c1)c1ccccc1F
Answer: d. O=C(Nc1ccc2nc(-c3cccnc3)[nH]c2c1)c1ccccc1F
{#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(Nc1ccc2nc(-c3cccnc3)[nH]c2c1)c1ccccc1F
O=C(Nc1ccc2nc(-c3cccnc3)[nH]c2c1)c1ccccc1F
2-fluoro-N-(2-pyridin-3-yl-3H-benzimidazol-5-yl)benzamide