Task: Answer the multiple choice question.
Question: Which compound has a -20.568% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C=CCNC(=O)COc1ccc(Br)cc1Cl
b: O=C(C1CCN(C2CCN(Cc3ccc4c(c3)CCO4)CC2)CC1)N1CCCC1
Answer: a. C=CCNC(=O)COc1ccc(Br)cc1Cl
{#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#}
C=CCNC(=O)COc1ccc(Br)cc1Cl
C=CCNC(=O)COc1ccc(Br)cc1Cl
2-(4-bromo-2-chlorophenoxy)-N-prop-2-enylacetamide