Task: Answer the multiple-choice question.
Query: Which compound has a -0.066% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=C(COC(=O)c1cccc(Br)c1)NCCc1ccc(F)cc1
b. O=C(CSc1ccc2nnc(-c3ccncc3)n2n1)Nc1ccc2c(c1)OCO2
Answer: a. O=C(COC(=O)c1cccc(Br)c1)NCCc1ccc(F)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COC(=O)c1cccc(Br)c1)NCCc1ccc(F)cc1
O=C(COC(=O)c1cccc(Br)c1)NCCc1ccc(F)cc1
[2-[2-(4-fluorophenyl)ethylamino]-2-oxoethyl] 3-bromobenzoate