Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 12.908\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. C=CCn1c(SCc2c(C)noc2C)nnc1C1COc2ccccc2O1
b. CCC(C)[C@H](NC(=O)N1CCCC1)C(=O)O
Answer: b. CCC(C)[C@H](NC(=O)N1CCCC1)C(=O)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#}
CCC(C)[C@H](NC(=O)N1CCCC1)C(=O)O
CCC(C)[C@H](NC(=O)N1CCCC1)C(=O)O
(2S)-3-methyl-2-(pyrrolidine-1-carbonylamino)pentanoic acid