Problem statement: Answer the multiple-choice question.
Query: Which compound has a 18.287\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CCc1cccc(NC(=O)c2ccc(Br)o2)c1
b CCOC(=O)C1C(=O)OC2(CCCCC2)C1C(=O)OCC
c COc1ccccc1N1CCN(Cc2nc3ccccc3[nH]2)CC1
d COc1ccc(NC2CC(=O)N(c3cc([N+](=O)[O-])ccc3C)C2=O)cc1
e COc1ccc(-c2nc(C#N)c(N3CCC(C(N)=O)CC3)o2)cc1
Answer: c. COc1ccccc1N1CCN(Cc2nc3ccccc3[nH]2)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#}
COc1ccccc1N1CCN(Cc2nc3ccccc3[nH]2)CC1
COc1ccccc1N1CCN(Cc2nc3ccccc3[nH]2)CC1
2-[[4-(2-methoxyphenyl)piperazin-1-yl]methyl]-1H-benzimidazole