Task: Answer the multiple-choice question.
Query: Which drug exhibits a 12.643\% human ether-à-go-go related gene (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) O=C(c1cccc2ccccc12)N1CCCCC1
(b) CC12CC3(C)CC(C)(C1)CC(C(=O)NC(=S)NC(C)(C)C)(C2)C3
Answer: a. O=C(c1cccc2ccccc12)N1CCCCC1
{#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(c1cccc2ccccc12)N1CCCCC1
O=C(c1cccc2ccccc12)N1CCCCC1
naphthalen-1-yl(piperidin-1-yl)methanone