Task: Answer the MCQ question.
Question: Which compound exhibits a 20.631% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] Cc1cc(C)nc(N2CCCC(C(=O)NCc3ccc4c(c3)OCO4)C2)n1
[b] O=C/C(=C\Nc1ccc(Br)cc1)c1nc2ccccc2o1
[c] CCN1CCN(c2c(/C=C3\SC(=S)N(Cc4ccco4)C3=O)c(C)c(C#N)c(=O)n2C)CC1
[d] CCOC(=O)c1[nH]c(C)c(C(=O)OCc2c(C)noc2C)c1C
[e] Cc1cc(C(=O)N2CCN(S(C)(=O)=O)CC2)sc1-c1ccccc1
Answer: b. O=C/C(=C\Nc1ccc(Br)cc1)c1nc2ccccc2o1
{#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/C(=C\Nc1ccc(Br)cc1)c1nc2ccccc2o1
O=C/C(=C\Nc1ccc(Br)cc1)c1nc2ccccc2o1
(Z)-2-(1,3-benzoxazol-2-yl)-3-(4-bromoanilino)prop-2-enal