Task: Answer the multiple choice question.
Query: Which drug has a 6.457\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1cccc(C(=O)NC2CC3CCCC(C2)N3CC(=O)Nc2ccc(N(C)C)cc2)c1
b: C1=C(CCNc2nnnn2-c2ccccc2)CCCC1
Answer: b. C1=C(CCNc2nnnn2-c2ccccc2)CCCC1
{#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#}
C1=C(CCNc2nnnn2-c2ccccc2)CCCC1
C1=C(CCNc2nnnn2-c2ccccc2)CCCC1
N-[2-(cyclohexen-1-yl)ethyl]-1-phenyltetrazol-5-amine