Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -12.257\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccccc1Oc1nc(-c2ccccc2)cc(C)c1S(C)(=O)=O
b) O=C(NCc1ccc(Cl)cc1)C1CCN(c2cnccn2)CC1
Answer: b. O=C(NCc1ccc(Cl)cc1)C1CCN(c2cnccn2)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#}
O=C(NCc1ccc(Cl)cc1)C1CCN(c2cnccn2)CC1
O=C(NCc1ccc(Cl)cc1)C1CCN(c2cnccn2)CC1
N-[(4-chlorophenyl)methyl]-1-pyrazin-2-ylpiperidine-4-carboxamide