Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.657\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. c1ccc(C[C@H]2CNCCN2CCc2cccc3ccccc23)cc1
b. CC(OC(=O)c1cc(Cl)ccc1[N+](=O)[O-])C(=O)NC(C)c1ccc(F)cc1
Answer: a. c1ccc(C[C@H]2CNCCN2CCc2cccc3ccccc23)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#}
c1ccc(C[C@H]2CNCCN2CCc2cccc3ccccc23)cc1
c1ccc(C[C@H]2CNCCN2CCc2cccc3ccccc23)cc1
(2S)-2-benzyl-1-(2-naphthalen-1-ylethyl)piperazine