Task: Answer the multiple-choice question.
Query: Which compound has a -86.294\% 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) CCOc1ccc(CN2CCN(Cc3cccn3-c3cccnc3)CC2CCO)cc1
(b) O=C(C1=C[C@@H](c2ccc(Br)cc2)C[C@@H](OCCCCO)O1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: a. CCOc1ccc(CN2CCN(Cc3cccn3-c3cccnc3)CC2CCO)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#}
CCOc1ccc(CN2CCN(Cc3cccn3-c3cccnc3)CC2CCO)cc1
CCOc1ccc(CN2CCN(Cc3cccn3-c3cccnc3)CC2CCO)cc1
2-[1-[(4-ethoxyphenyl)methyl]-4-[(1-pyridin-3-ylpyrrol-2-yl)methyl]piperazin-2-yl]ethanol