Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 8.721\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccccc1N1CCN(C(=O)CCC(=O)O)CC1
[b] Cc1ccc(/C=N/n2nnnc2N)cc1
[c] CCc1cccc(NS(=O)(=O)c2c(C)[nH]c(=O)[nH]c2=O)c1
[d] Cc1ccnc(NC(=O)c2cccc([N+](=O)[O-])c2C)c1
Answer: a. COc1ccccc1N1CCN(C(=O)CCC(=O)O)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(C(=O)CCC(=O)O)CC1
COc1ccccc1N1CCN(C(=O)CCC(=O)O)CC1
4-hydroxy-1-[4-(2-methoxyphenyl)piperazin-1-yl]-4-oxobutan-1-one