Task: Answer the MCQ question.
Question: Which drug exhibits a 10.889\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) O=C1c2ccc(Br)cc2C(=O)N1c1ccc(Cl)cn1
(b) Cc1[nH]n(C(N)=S)c(=O)c1C(c1ccccc1)C(C#N)C#N
(c) CN1C(=O)C(O)(CC(=O)c2ccccn2)c2cc(Br)ccc21
(d) COc1ccc(OC)c2[nH]c(=O)c(CCNS(=O)(=O)c3ccc(Cl)cc3)cc12
Answer: a. O=C1c2ccc(Br)cc2C(=O)N1c1ccc(Cl)cn1
{#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#}
O=C1c2ccc(Br)cc2C(=O)N1c1ccc(Cl)cn1
O=C1c2ccc(Br)cc2C(=O)N1c1ccc(Cl)cn1
5-bromo-2-(5-chloropyridin-2-yl)isoindole-1,3-dione