Task: Answer the MCQ question.
Query: Which compound has a 8.879\% 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] CCCc1nc2ccccc2c(C(=O)OCC(=O)Nc2ccc(S(=O)(=O)N3CCOCC3)cc2)c1CC
[b] COc1ccc(C)cc1COC(=O)c1[nH]c(C)c(C(C)=O)c1C
Answer: b. COc1ccc(C)cc1COC(=O)c1[nH]c(C)c(C(C)=O)c1C
{#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#}
COc1ccc(C)cc1COC(=O)c1[nH]c(C)c(C(C)=O)c1C
COc1ccc(C)cc1COC(=O)c1[nH]c(C)c(C(C)=O)c1C
(2-methoxy-5-methylphenyl)methyl 4-acetyl-3,5-dimethyl-1H-pyrrole-2-carboxylate