Task: Answer the multiple choice question.
Question: Which drug has a 2.942\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCOc1ccc(CC(=O)C2C(=O)CCCC2=O)cc1OCC
b.) Oc1cccc(/C=N/N=C/c2cccc(O)c2O)c1O
Answer: a. CCOc1ccc(CC(=O)C2C(=O)CCCC2=O)cc1OCC
{#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#}
CCOc1ccc(CC(=O)C2C(=O)CCCC2=O)cc1OCC
CCOc1ccc(CC(=O)C2C(=O)CCCC2=O)cc1OCC
2-[2-(3,4-diethoxyphenyl)acetyl]cyclohexane-1,3-dione