Task: Answer the multiple choice question.
Question: Which drug has a 7.261\% 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 other words.
Options:
[a] Cc1ccc(OCC(=O)OCC(=O)c2c(N)n(C)c(=O)n(C)c2=O)cc1C
[b] C/C(=C/C#N)Nc1ccc(C)cc1
[c] c1cncc(-c2nc3ccccc3o2)c1
[d] COC(=O)C1=C(C)OC(N)=C(C#N)C1c1cc2cccc(C)c2nc1Cl
Answer: b. C/C(=C/C#N)Nc1ccc(C)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#}
C/C(=C/C#N)Nc1ccc(C)cc1
C/C(=C/C#N)Nc1ccc(C)cc1
(Z)-3-(4-methylanilino)but-2-enenitrile