Task: Answer the multiple choice question.
Question: Which drug exhibits a 8.899\% 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) CCCCn1c(N)c(N(CC(C)C)C(=O)C2=NN(c3cc(C)ccc3C)C(=O)CC2)c(=O)[nH]c1=O
(b) Br.Cc1ccccc1OCC(=O)NN1Cc2ccccc2C1=N
(c) CCN1CCN(c2cc(C)c3cc(NC(=O)Cc4ccc(OC)c(OC)c4)ccc3n2)CC1
(d) Cc1ccc(C(=O)CCC(=O)NCc2ccc(Cl)cc2)cc1
Answer: b. Br.Cc1ccccc1OCC(=O)NN1Cc2ccccc2C1=N
{#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#}
Br.Cc1ccccc1OCC(=O)NN1Cc2ccccc2C1=N
Br.Cc1ccccc1OCC(=O)NN1Cc2ccccc2C1=N
N-(3-imino-1H-isoindol-2-yl)-2-(2-methylphenoxy)acetamide;hydrobromide