Problem statement: Answer the MCQ question.
Question: Which drug has a 14.828\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(N/N=C/C1CC2C=CC1C2)c1ccccc1O
[b] O=C1CSC(=S)N1c1cccc(Br)c1
[c] CCOC(=O)c1sc(NC(=O)CC)c(C#N)c1C
Answer: c. CCOC(=O)c1sc(NC(=O)CC)c(C#N)c1C
{#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)c1sc(NC(=O)CC)c(C#N)c1C
CCOC(=O)c1sc(NC(=O)CC)c(C#N)c1C
ethyl 4-cyano-3-methyl-5-(propanoylamino)thiophene-2-carboxylate