Task: Answer the multiple choice question.
Query: Which compound exhibits a 13.970% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cccc(N2CCN(C(=O)c3ccccn3)CC2C)c1
(b) CCOc1cccc(-c2c(C(=O)N/N=C/c3ccc(Br)cc3)nnn2-c2nonc2N)c1
Answer: a. Cc1cccc(N2CCN(C(=O)c3ccccn3)CC2C)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
Cc1cccc(N2CCN(C(=O)c3ccccn3)CC2C)c1
Cc1cccc(N2CCN(C(=O)c3ccccn3)CC2C)c1
[3-methyl-4-(3-methylphenyl)piperazin-1-yl]-pyridin-2-ylmethanone