Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 6.212\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CC(C)C(c1nnnn1C1CCCC1)N1CCCCC1.Cl
b) O=C(c1ccc([N+](=O)[O-])o1)N1CCN(Cc2ccccc2)CC1
Answer: b. O=C(c1ccc([N+](=O)[O-])o1)N1CCN(Cc2ccccc2)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(c1ccc([N+](=O)[O-])o1)N1CCN(Cc2ccccc2)CC1
O=C(c1ccc([N+](=O)[O-])o1)N1CCN(Cc2ccccc2)CC1
(4-benzylpiperazin-1-yl)-(5-nitrofuran-2-yl)methanone