Task: Answer the multiple choice question.
Question: Which compound exhibits a -5.059% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccccc1OCCC(=O)OCC(=O)Nc1cccc(Br)c1
b: COc1cc(OC)c(NC(=O)CC(=O)Nc2cc(Cl)c(OC)cc2OC)cc1Cl
c: CCCN1CCC2(CC1)C(C#N)=C(N)Oc1c2sc2nc(C)cc(C)c12
d: COc1ccc2[nH]c(=O)c(CN(C(=O)c3cccnc3)c3ccccc3C)cc2c1
Answer: a. COc1ccccc1OCCC(=O)OCC(=O)Nc1cccc(Br)c1
{#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#}
COc1ccccc1OCCC(=O)OCC(=O)Nc1cccc(Br)c1
COc1ccccc1OCCC(=O)OCC(=O)Nc1cccc(Br)c1
[2-(3-bromoanilino)-2-oxoethyl]3-(2-methoxyphenoxy)propanoate