Problem statement: Answer the multiple choice question.
Query: Which compound has a -2.661\% 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 additional words.
Options:
a. CCn1c(C)c(C(C)=O)c(N2CCN(c3ccccc3)CC2)nc1=S
b. CCOC(=O)COc1nc(-c2ccccc2)cc(-c2ccco2)c1C#N
Answer: a. CCn1c(C)c(C(C)=O)c(N2CCN(c3ccccc3)CC2)nc1=S
{#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#}
CCn1c(C)c(C(C)=O)c(N2CCN(c3ccccc3)CC2)nc1=S
CCn1c(C)c(C(C)=O)c(N2CCN(c3ccccc3)CC2)nc1=S
1-[1-ethyl-6-methyl-4-(4-phenylpiperazin-1-yl)-2-sulfanylidenepyrimidin-5-yl]ethanone