Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 12.392% human ether-à-go-go related gene (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] COC(=O)CN1C(=S)N(c2ccc(Cl)cc2)C(=O)C1CC(=O)Nc1ccc(F)cc1
[b] COCCNc1ncnc2c1nc1n2CCCC1
Answer: b. COCCNc1ncnc2c1nc1n2CCCC1
{#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#}
COCCNc1ncnc2c1nc1n2CCCC1
COCCNc1ncnc2c1nc1n2CCCC1
N-(2-methoxyethyl)-6,7,8,9-tetrahydropurino[9,8-a]pyridin-4-amine