Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 20.513\% 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] COC(=O)C1=C(C(=O)OC)[C@@H]2N(C)c3ccccc3[C@@]23C[C@@H](C(=O)OC)N(C(=O)c2ccc(Br)cc2)C3=N1
[b] CCN1CCN(CC(=O)Nc2ccc3c(c2)OCCO3)C(=O)C1=O
Answer: b. CCN1CCN(CC(=O)Nc2ccc3c(c2)OCCO3)C(=O)C1=O
{#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#}
CCN1CCN(CC(=O)Nc2ccc3c(c2)OCCO3)C(=O)C1=O
CCN1CCN(CC(=O)Nc2ccc3c(c2)OCCO3)C(=O)C1=O
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetamide