Task: Answer the multiple-choice question.
Question: Which compound has a 13.380\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COCCCNc1ncnc2c1nc1n2CCCC1
[b] O=[N+]([O-])c1ccc(-n2nnnc2CN2CCCCC2)cc1
[c] CC1(C)CC(=O)C(C(=S)Nc2ccc(F)cc2)=C(NCCN2CCOCC2)C1
Answer: a. COCCCNc1ncnc2c1nc1n2CCCC1
{#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#}
COCCCNc1ncnc2c1nc1n2CCCC1
COCCCNc1ncnc2c1nc1n2CCCC1
N-(3-methoxypropyl)-6,7,8,9-tetrahydropurino[9,8-a]pyridin-4-amine