Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.173\% 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) COc1ccc(CCNC(=O)c2cnn3cccnc23)cc1OC
b) CCOC(=O)c1cc(-c2csc(N/N=C/c3ccccc3Cl)n2)on1
Answer: b. CCOC(=O)c1cc(-c2csc(N/N=C/c3ccccc3Cl)n2)on1
{#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)c1cc(-c2csc(N/N=C/c3ccccc3Cl)n2)on1
CCOC(=O)c1cc(-c2csc(N/N=C/c3ccccc3Cl)n2)on1
ethyl 5-[2-[(2E)-2-[(2-chlorophenyl)methylidene]hydrazinyl]-1,3-thiazol-4-yl]-1,2-oxazole-3-carboxylate