Task: Answer the MCQ question.
Query: Which compound exhibits a 0.858\% 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=C1CCC(C(=O)N2CCN(c3cnccn3)CC2)CN1CCc1cccc(F)c1
b COc1ccc(-n2c(=O)c3ccccc3c3ccccc3c2=O)cc1
Answer: a. O=C1CCC(C(=O)N2CCN(c3cnccn3)CC2)CN1CCc1cccc(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=C1CCC(C(=O)N2CCN(c3cnccn3)CC2)CN1CCc1cccc(F)c1
O=C1CCC(C(=O)N2CCN(c3cnccn3)CC2)CN1CCc1cccc(F)c1
1-[2-(3-fluorophenyl)ethyl]-5-(4-pyrazin-2-ylpiperazine-1-carbonyl)piperidin-2-one