Task: Answer the multiple choice question.
Question: Which drug exhibits a 8.618\% 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.) CCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
b.) COc1ccc(-c2ccc3oc(-c4ccc(OC)cc4)c(C#CC4(O)CCCCC4)c3c2)cc1
Answer: a. CCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
{#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#}
CCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
CCc1nc2oc3ccc(C)cc3c(=O)c2cc1C(=O)OC
methyl 2-ethyl-7-methyl-5-oxochromeno[2,3-b]pyridine-3-carboxylate