Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 6.381\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=c1[nH]c(=O)c2nc3c4ccccc4c4ccccc4c3nc2[nH]1
[b] O=[N+]([O-])c1ccc(N2CCCCCC2)c(S(=O)(=O)N2CCCCC2)c1
Answer: b. O=[N+]([O-])c1ccc(N2CCCCCC2)c(S(=O)(=O)N2CCCCC2)c1
{#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#}
O=[N+]([O-])c1ccc(N2CCCCCC2)c(S(=O)(=O)N2CCCCC2)c1
O=[N+]([O-])c1ccc(N2CCCCCC2)c(S(=O)(=O)N2CCCCC2)c1
1-(4-nitro-2-piperidin-1-ylsulfonylphenyl)azepane