Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 12.720\% human ether-à-go-go related gene (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) COc1ccc(NC(=O)CN2CC(C)OC(C)C2)cc1Cl
b) CC(=O)Nc1ccccc1NC(=O)C/C(C)=N/NC(=O)c1ccc([N+](=O)[O-])c(Cl)c1
c) Cc1c(N)cccc1-n1cccc1
d) CCOC(=O)Cn1cc(C#N)c2ccccc21
Answer: d. CCOC(=O)Cn1cc(C#N)c2ccccc21
{#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#}
CCOC(=O)Cn1cc(C#N)c2ccccc21
CCOC(=O)Cn1cc(C#N)c2ccccc21
ethyl 2-(3-cyanoindol-1-yl)acetate