Task: Answer the MCQ question.
Query: Which compound has a 4.392\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCCCOC(=O)Nc1ccc2c(C)cc(=O)oc2c1
[b] Cn1c(CCN2CCOCC2)nc2cc(NC(=O)COc3ccccc3)ccc21
Answer: a. CCCCOC(=O)Nc1ccc2c(C)cc(=O)oc2c1
{#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#}
CCCCOC(=O)Nc1ccc2c(C)cc(=O)oc2c1
CCCCOC(=O)Nc1ccc2c(C)cc(=O)oc2c1
butyl N-(4-methyl-2-oxochromen-7-yl)carbamate