Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.897\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] C=CCn1c(SCc2csc(C)n2)nc2sc3c(c2c1=O)CCC(C)C3
[b] CCOc1ccccc1N1C(=O)CC(=O)NC1=O
[c] C#CCN(CC=C)C(=O)C1CCC(=O)N(CCCc2ccccc2)C1
[d] CC(C)c1nc(-c2c(N)n(C)c(=O)n(C)c2=O)sc1C(=O)C(C)(C)C
Answer: b. CCOc1ccccc1N1C(=O)CC(=O)NC1=O
{#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#}
CCOc1ccccc1N1C(=O)CC(=O)NC1=O
CCOc1ccccc1N1C(=O)CC(=O)NC1=O
1-(2-ethoxyphenyl)-1,3-diazinane-2,4,6-trione