Task: Answer the MCQ question.
Question: Which drug has a -0.755\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCN(CC)CCN=Cc1c(O)n(CCC2=CCCCC2)c(=O)[nH]c1=O
[b] COC(=O)N1C(=O)[C@@](CC(C)C)(c2ccccc2)N1C(=O)OC
Answer: b. COC(=O)N1C(=O)[C@@](CC(C)C)(c2ccccc2)N1C(=O)OC
{#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#}
COC(=O)N1C(=O)[C@@](CC(C)C)(c2ccccc2)N1C(=O)OC
COC(=O)N1C(=O)[C@@](CC(C)C)(c2ccccc2)N1C(=O)OC
dimethyl (3R)-3-(2-methylpropyl)-4-oxo-3-phenyldiazetidine-1,2-dicarboxylate