Task: Answer the multiple-choice question.
Query: Which compound has a 2.969\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCN1C(=O)NC(c2cccnc2)C(C(=O)OC)=C1C
[b] Cc1cc(C(=O)Nc2ccc(N3CCCCC3)cc2)no1
Answer: a. CCN1C(=O)NC(c2cccnc2)C(C(=O)OC)=C1C
{#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#}
CCN1C(=O)NC(c2cccnc2)C(C(=O)OC)=C1C
CCN1C(=O)NC(c2cccnc2)C(C(=O)OC)=C1C
methyl 3-ethyl-4-methyl-2-oxo-6-pyridin-3-yl-1,6-dihydropyrimidine-5-carboxylate