Problem statement: Answer the multiple-choice question.
Query: Which compound has a -13.419\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCCCn1c(C(C)NC(=O)COC)nc2ccccc21
b. CC(C)CN(C(=O)c1cccc(S(=O)(=O)N2CCN(c3ccc(F)cc3)CC2)c1)C1CCS(=O)(=O)C1
Answer: a. CCCCn1c(C(C)NC(=O)COC)nc2ccccc21
{#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#}
CCCCn1c(C(C)NC(=O)COC)nc2ccccc21
CCCCn1c(C(C)NC(=O)COC)nc2ccccc21
N-[1-(1-butylbenzimidazol-2-yl)ethyl]-2-methoxyacetamide