Problem statement: Answer the MCQ question.
Query: Which compound has a 1.139\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC(=O)c1c(C(C)=O)c(C)n(Cc2ccccc2)c1C
(b) CCOC(=O)c1ccc(-n2cncn2)nc1
(c) CCOC(=O)N1CCN(C(=O)c2cnsn2)CC1
(d) CCOc1ccc(NC(=O)Nc2ccc3nccnc3c2)cc1
Answer: b. CCOC(=O)c1ccc(-n2cncn2)nc1
{#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#}
CCOC(=O)c1ccc(-n2cncn2)nc1
CCOC(=O)c1ccc(-n2cncn2)nc1
ethyl 6-(1,2,4-triazol-1-yl)pyridine-3-carboxylate