Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 24.534\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: NC(=O)c1ccc(Oc2ccc(C(N)=O)cc2)cc1
b: COc1cc(S(=O)(=O)NCc2cccnc2)c(OC)cc1Br
c: Cc1ccc(C(=O)NNC(=O)c2ccc(NC(=O)C(C)(C)C)cc2)cc1
d: Cc1ccc(Cl)cc1N1CCN(C(=O)CN(C2CCCCC2)S(C)(=O)=O)CC1
Answer: b. COc1cc(S(=O)(=O)NCc2cccnc2)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#}
4-bromo-2,5-dimethoxy-N-(pyridin-3-ylmethyl)benzenesulfonamide