Task: Answer the multiple choice question.
Question: Which drug has a 16.309\% 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] CCOC(=O)Cc1csc(N/C(=N/S(=O)(=O)c2ccc(Cl)cc2)c2ccccc2)n1
[b] CCn1c(=O)c(=O)[nH]c2cc(C(=O)NC3CCCC3)ccc21
Answer: b. CCn1c(=O)c(=O)[nH]c2cc(C(=O)NC3CCCC3)ccc21
{#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#}
CCn1c(=O)c(=O)[nH]c2cc(C(=O)NC3CCCC3)ccc21
CCn1c(=O)c(=O)[nH]c2cc(C(=O)NC3CCCC3)ccc21
N-cyclopentyl-1-ethyl-2,3-dioxo-4H-quinoxaline-6-carboxamide