Task: Answer the multiple-choice question.
Question: Which drug exhibits a -0.879\% 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) O=C(NCC(c1ccco1)N1CCOCC1)c1c(F)cccc1F
(b) CC(=O)N1c2ccccc2NC2=C(C(=O)CCC2)C1c1cccnc1
Answer: a. O=C(NCC(c1ccco1)N1CCOCC1)c1c(F)cccc1F
{#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(NCC(c1ccco1)N1CCOCC1)c1c(F)cccc1F
O=C(NCC(c1ccco1)N1CCOCC1)c1c(F)cccc1F
2,6-difluoro-N-[2-(furan-2-yl)-2-morpholin-4-ylethyl]benzamide