Task: Answer the multiple-choice question.
Query: Which drug has a 24.332\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a COc1cc(COC(=O)c2cnc(C)cn2)c(OC)cc1Br
b O=C(COc1ccccc1F)Nc1ccc(S(=O)(=O)NCc2ccco2)cc1
c CCN(CC)CCSc1nnc2c3ccccc3n(CCc3ccccc3)c2n1
d Cc1ccc(OCC(=O)NCCN2CCN(C(=O)COc3ccc(C)cc3)CC2)cc1
e O=C(N/N=C1\C2CN3CCN(C2)CC1(c1ccccc1)C3)Nc1ccccc1
Answer: a. COc1cc(COC(=O)c2cnc(C)cn2)c(OC)cc1Br
{#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#}
COc1cc(COC(=O)c2cnc(C)cn2)c(OC)cc1Br
COc1cc(COC(=O)c2cnc(C)cn2)c(OC)cc1Br
(4-bromo-2,5-dimethoxyphenyl)methyl 5-methylpyrazine-2-carboxylate