Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.975\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CCCCc1ccc(NS(=O)(=O)c2cccs2)cc1
[b] C[n+]1c(-c2ccccc2)c2cc(N)ccc2c2ccc(N)cc21.[Br-]
[c] COc1ccc(C(=O)c2c3ccc(OC)cc3[n+]([O-])n2CCCC(N)=O)cc1
[d] Cc1cccc(C)c1NC(=O)CN1C(=O)COc2ccccc21
[e] C=C1CC(C)OC(c2ccccc2OCC(O)CN2CCCCC2)C1
Answer: a. CCCCc1ccc(NS(=O)(=O)c2cccs2)cc1
{#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#}
CCCCc1ccc(NS(=O)(=O)c2cccs2)cc1
CCCCc1ccc(NS(=O)(=O)c2cccs2)cc1
N-(4-butylphenyl)thiophene-2-sulfonamide