Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -0.008\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=C(N/N=C/c1ccncc1)c1nc2ccccc2c(=O)[nH]1
b) CCC(c1nnnn1C1CCCC1)N1CCN(c2ccccc2)CC1
Answer: b. CCC(c1nnnn1C1CCCC1)N1CCN(c2ccccc2)CC1
{#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#}
CCC(c1nnnn1C1CCCC1)N1CCN(c2ccccc2)CC1
CCC(c1nnnn1C1CCCC1)N1CCN(c2ccccc2)CC1
1-[1-(1-cyclopentyltetrazol-5-yl)propyl]-4-phenylpiperazine