Task: Answer the MCQ question.
Query: Which drug exhibits a 12.545\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCC(C)NC(=O)[C@@H]1CCCN1C(=O)C1CCN(S(=O)(=O)c2ccc(C)cc2)CC1
[b] O=C1NC[C@@H](Cc2cccc3ccccc23)N(CC2(c3ccccc3)CC2)C1=O
Answer: b. O=C1NC[C@@H](Cc2cccc3ccccc23)N(CC2(c3ccccc3)CC2)C1=O
{#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=C1NC[C@@H](Cc2cccc3ccccc23)N(CC2(c3ccccc3)CC2)C1=O
O=C1NC[C@@H](Cc2cccc3ccccc23)N(CC2(c3ccccc3)CC2)C1=O
(6R)-6-(naphthalen-1-ylmethyl)-1-[(1-phenylcyclopropyl)methyl]piperazine-2,3-dione