Problem statement: Answer the multiple choice question.
Question: Which compound has a -1.883\% 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.) CCCCn1c(-c2ccco2)nc2oc3ccccc3c(=O)c2c1=O
b.) O=C(Nc1cccc(-n2cccn2)c1)C1CCCN(Cc2ccc(C#CCCO)cc2)C1
Answer: a. CCCCn1c(-c2ccco2)nc2oc3ccccc3c(=O)c2c1=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#}
CCCCn1c(-c2ccco2)nc2oc3ccccc3c(=O)c2c1=O
CCCCn1c(-c2ccco2)nc2oc3ccccc3c(=O)c2c1=O
3-butyl-2-(furan-2-yl)chromeno[2,3-d]pyrimidine-4,5-dione