Task: Answer the MCQ question.
Query: Which drug exhibits a 20.507\% 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] CCN(CC)C(=O)c1sc(NC(=O)Cc2ccccc2)c(C#N)c1C
[b] CC(Oc1ccc2ccc(=O)oc2c1)C(=O)NC1CC(C)(C)NC(C)(C)C1
Answer: b. CC(Oc1ccc2ccc(=O)oc2c1)C(=O)NC1CC(C)(C)NC(C)(C)C1
{#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#}
CC(Oc1ccc2ccc(=O)oc2c1)C(=O)NC1CC(C)(C)NC(C)(C)C1
CC(Oc1ccc2ccc(=O)oc2c1)C(=O)NC1CC(C)(C)NC(C)(C)C1
2-(2-oxochromen-7-yl)oxy-N-(2,2,6,6-tetramethylpiperidin-4-yl)propanamide