Task: Answer the multiple choice question.
Question: Which compound has a 5.737\% 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 COc1cccc2cc(C(=O)OC3CCN(C)CC3)c(=O)oc12
b CN(c1ccccc1)S(=O)(=O)c1nnc(NC(=O)C2CCCCC2)s1
Answer: a. COc1cccc2cc(C(=O)OC3CCN(C)CC3)c(=O)oc12
{#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#}
COc1cccc2cc(C(=O)OC3CCN(C)CC3)c(=O)oc12
COc1cccc2cc(C(=O)OC3CCN(C)CC3)c(=O)oc12
(1-methylpiperidin-4-yl) 8-methoxy-2-oxochromene-3-carboxylate