Task: Answer the multiple choice question.
Question: Which compound exhibits a 13.006\% 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 C=CCNC(=O)CC(=O)N/N=C/c1ccccc1F
b COc1ccc(/C=C/c2ccc3c(Br)ccc(O)c3n2)cc1
Answer: a. C=CCNC(=O)CC(=O)N/N=C/c1ccccc1F
{#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#}
C=CCNC(=O)CC(=O)N/N=C/c1ccccc1F
C=CCNC(=O)CC(=O)N/N=C/c1ccccc1F
N'-[(E)-(2-fluorophenyl)methylideneamino]-N-prop-2-enylpropanediamide