Task: Answer the multiple-choice question.
Query: Which drug exhibits a -0.544% 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 other words.
Options:
(a) CCC(=O)OCC(=O)c1cc(C)n(-c2ccc(Br)cc2)c1C
(b) O=S(=O)(N1CCOCC1)N1CCOCC1
(c) CCOC(=O)c1nnn(-c2nonc2NC(C)=O)c1C
(d) c1ccc(-c2nc(NCCCn3ccnc3)c3ccccc3n2)cc1
Answer: a. CCC(=O)OCC(=O)c1cc(C)n(-c2ccc(Br)cc2)c1C
{#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#}
CCC(=O)OCC(=O)c1cc(C)n(-c2ccc(Br)cc2)c1C
CCC(=O)OCC(=O)c1cc(C)n(-c2ccc(Br)cc2)c1C
[2-[1-(4-bromophenyl)-2,5-dimethylpyrrol-3-yl]-2-oxoethyl] propanoate