Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 5.281\% 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: Cc1cccc2c1CC(C)(C)N=C2C1=C(O)CCCC1=O
b: CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)Nc4ccccc4OC)CC3)cc21
Answer: b. CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)Nc4ccccc4OC)CC3)cc21
{#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#}
CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)Nc4ccccc4OC)CC3)cc21
CCn1cc(C(=O)O)c(=O)c2cc(F)c(N3CCN(C(=S)Nc4ccccc4OC)CC3)cc21
1-ethyl-6-fluoro-7-[4-[(2-methoxyphenyl)carbamothioyl]piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid