Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 18.011\% 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 CC1(C)CC(=O)C2=C(C1)Oc1nc3ccccc3cc1C2C(C#N)C#N
b COc1ccc(NC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2ccccc2OC)cc1OC
Answer: b. COc1ccc(NC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2ccccc2OC)cc1OC
{#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#}
COc1ccc(NC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2ccccc2OC)cc1OC
COc1ccc(NC(=O)CSc2nc3[nH]ncc3c(=O)n2-c2ccccc2OC)cc1OC
N-(3,4-dimethoxyphenyl)-2-[[5-(2-methoxyphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-6-yl]sulfanyl]acetamide