Task: Answer the multiple choice question.
Question: Which compound has a 12.774\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC1CCN(C(=O)Cn2ncc3c4ccccc4n(C)c3c2=O)CC1
b) Cn1c(=O)c2c(ncn2CC(=O)OCC(=O)Nc2ccc(Cl)cc2)n(C)c1=O
Answer: a. CC1CCN(C(=O)Cn2ncc3c4ccccc4n(C)c3c2=O)CC1
{#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#}
CC1CCN(C(=O)Cn2ncc3c4ccccc4n(C)c3c2=O)CC1
CC1CCN(C(=O)Cn2ncc3c4ccccc4n(C)c3c2=O)CC1
5-methyl-3-[2-(4-methylpiperidin-1-yl)-2-oxoethyl]pyridazino[4,5-b]indol-4-one