Task: Answer the multiple-choice question.
Question: Which compound exhibits a 11.888\% 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. CCc1ccc(CN(C)C(C)C(=O)NCc2ccccc2)cc1
b. O=C(CN1CCOCC1)Nc1ccc(N2CCN(c3ccccc3)CC2)c(F)c1
Answer: b. O=C(CN1CCOCC1)Nc1ccc(N2CCN(c3ccccc3)CC2)c(F)c1
{#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#}
O=C(CN1CCOCC1)Nc1ccc(N2CCN(c3ccccc3)CC2)c(F)c1
O=C(CN1CCOCC1)Nc1ccc(N2CCN(c3ccccc3)CC2)c(F)c1
N-[3-fluoro-4-(4-phenylpiperazin-1-yl)phenyl]-2-morpholin-4-ylacetamide