Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 4.056\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1c(Cl)cc(Cl)cc1/C=N/n1cnnc1
[b] COC(=O)CCCNC(=O)CN1CC(c2ccccc2)CC1=O
Answer: b. COC(=O)CCCNC(=O)CN1CC(c2ccccc2)CC1=O
{#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)CCCNC(=O)CN1CC(c2ccccc2)CC1=O
COC(=O)CCCNC(=O)CN1CC(c2ccccc2)CC1=O
methyl 4-[[2-(2-oxo-4-phenylpyrrolidin-1-yl)acetyl]amino]butanoate