Task: Answer the multiple-choice question.
Query: Which compound has a 9.475\% 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=C(CNC(=O)c1ccccc1F)OCC(=O)c1ccc(Cl)s1
[b] CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccn1)n2CC
[c] CCOc1ccc2nc(NC(=O)CSCC(=O)Nc3cc(C)on3)sc2c1
[d] CCOC(=O)N1CCN(C(=O)c2ccc(CS(=O)Cc3ccc(C)cc3)o2)CC1
[e] COC(=O)C1=C(c2ccc(OC(F)(F)F)cc2)C[C@@H]2CC[C@H]1N2C(=O)N1CCOCC1
Answer: b. CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccn1)n2CC
{#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#}
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccn1)n2CC
CCCCn1c(=O)[nH]c(=O)c2c1nc(-c1ccccn1)n2CC
3-butyl-7-ethyl-8-pyridin-2-ylpurine-2,6-dione