Task: Answer the MCQ question.
Query: Which compound exhibits a 20.755% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CCn1ccc(C(=O)Nc2ccc(S(=O)(=O)Nc3ccccc3OC)cc2)n1
(b) O=C(OCC(=O)N1CCOCC1)c1ccccc1Br
(c) Cc1[nH]n(-c2cccc3ccccc23)c(=O)c1/C=N/c1sc2c(c1C#N)CCC2
(d) COc1ccccc1N1CCN(C(=O)C(Sc2ccccc2)c2ccccc2)CC1
(e) Cc1ccc(CCNC(=O)CCCn2nc(C)c3c(C)n(-c4ccc(C)cc4)nc3c2=O)cc1
Answer: b. O=C(OCC(=O)N1CCOCC1)c1ccccc1Br
{#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#}
O=C(OCC(=O)N1CCOCC1)c1ccccc1Br
O=C(OCC(=O)N1CCOCC1)c1ccccc1Br
(2-morpholin-4-yl-2-oxoethyl) 2-bromobenzoate