Task: Answer the multiple-choice question.
Query: Which compound has a -2.992\% 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: Cn1c(N)c(C(=O)COC(=O)COc2ccc(Br)cc2)c(=O)n(C)c1=O
b: O=C(CSc1nc(C2CCCCC2)nc2ccccc12)NCc1ccc2c(c1)OCO2
Answer: a. Cn1c(N)c(C(=O)COC(=O)COc2ccc(Br)cc2)c(=O)n(C)c1=O
{#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#}
Cn1c(N)c(C(=O)COC(=O)COc2ccc(Br)cc2)c(=O)n(C)c1=O
Cn1c(N)c(C(=O)COC(=O)COc2ccc(Br)cc2)c(=O)n(C)c1=O
[2-(4-amino-1,3-dimethyl-2,6-dioxopyrimidin-5-yl)-2-oxoethyl] 2-(4-bromophenoxy)acetate