Problem statement: Answer the MCQ question.
Question: Which compound has a 18.906\% 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] COc1ccccc1CNC(=O)C1CC2Cn3c(nc4cc(Cl)c(Cl)cc43)C2N1C
[b] CC(=O)Nc1cccc(-c2nc3ccccc3o2)c1
Answer: b. CC(=O)Nc1cccc(-c2nc3ccccc3o2)c1
{#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#}
CC(=O)Nc1cccc(-c2nc3ccccc3o2)c1
CC(=O)Nc1cccc(-c2nc3ccccc3o2)c1
N-[3-(1,3-benzoxazol-2-yl)phenyl]acetamide