Task: Answer the multiple-choice question.
Question: Which compound exhibits a 18.154\% 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 additional words.
Options:
(a) O=S1(=O)CCOCCCN1Cc1ccccc1F
(b) COC(=O)[C@@]1(Cc2ccc(OC)cc2)[C@H]2c3cc(C(=O)N4CCCC4)n(Cc4c(CO)[nH]cc(C)c4=O)c3C[C@H]2CN1C(=O)c1ccccc1
(c) CCC(C)(C)n1nnnc1C(c1ccc(Cl)cc1)N1CCN(C)CC1.Cl
(d) CCc1nc2ccccc2n1Cc1ccccc1F
(e) Cc1c(C(=O)NN)nn(-c2ccc(F)cc2)c(=O)c1C#N
Answer: d. CCc1nc2ccccc2n1Cc1ccccc1F
{#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#}
CCc1nc2ccccc2n1Cc1ccccc1F
CCc1nc2ccccc2n1Cc1ccccc1F
2-ethyl-1-[(2-fluorophenyl)methyl]benzimidazole