Task: Answer the multiple choice question.
Query: Which compound has a -7.786% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(O)c1ccccc1-n1cnnn1
b. CC(O)Cc1cn([C@@H](CCCCNC(=O)OC(C)(C)C)C(=O)N2CCN(C(=O)OC(C)(C)C)CC2)nn1
Answer: a. O=C(O)c1ccccc1-n1cnnn1
{#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=C(O)c1ccccc1-n1cnnn1
O=C(O)c1ccccc1-n1cnnn1
2-(tetrazol-1-yl)benzoicacid