Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.000\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCCn1nc([N+](=O)[O-])c(C(C#N)c2nc3ccccc3o2)c(Cl)c1=O
(b) O=C(c1ccc(CN2CCc3ccccc3C2)cc1)N1CCc2ccccc2C1
Answer: b. O=C(c1ccc(CN2CCc3ccccc3C2)cc1)N1CCc2ccccc2C1
{#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(CN2CCc3ccccc3C2)cc1)N1CCc2ccccc2C1
O=C(c1ccc(CN2CCc3ccccc3C2)cc1)N1CCc2ccccc2C1
3,4-dihydro-1H-isoquinolin-2-yl-[4-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)phenyl]methanone