Task: Answer the multiple choice question.
Query: Which compound has a -19.351% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccc(F)cc1NC(=O)N1CCN(c2ccnc3cc(Cl)ccc23)CC1
b. O=c1c2ccccc2nnn1CSc1nc2ccccc2[nH]1
Answer: b. O=c1c2ccccc2nnn1CSc1nc2ccccc2[nH]1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1c2ccccc2nnn1CSc1nc2ccccc2[nH]1
O=c1c2ccccc2nnn1CSc1nc2ccccc2[nH]1
3-(1H-benzimidazol-2-ylsulfanylmethyl)-1,2,3-benzotriazin-4-one