Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.584\% 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] Br.CC1(C)OC(c2ccccc2)=C/C(=C/C=Nc2ccccc2)O1
[b] CCCn1c(CN2CCN(C(=O)OCC)CC2)nc2c1c(=O)n(C)c(=O)n2C
Answer: b. CCCn1c(CN2CCN(C(=O)OCC)CC2)nc2c1c(=O)n(C)c(=O)n2C
{#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#}
CCCn1c(CN2CCN(C(=O)OCC)CC2)nc2c1c(=O)n(C)c(=O)n2C
CCCn1c(CN2CCN(C(=O)OCC)CC2)nc2c1c(=O)n(C)c(=O)n2C
ethyl 4-[(1,3-dimethyl-2,6-dioxo-7-propylpurin-8-yl)methyl]piperazine-1-carboxylate