Task: Answer the multiple-choice question.
Query: Which compound exhibits a 14.652\% 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 O=C(c1cn(-c2ccccc2)nc1-c1cccs1)N1CCN(c2ccccc2)CC1
b CCOc1ccsc1C(=O)OC
Answer: b. CCOc1ccsc1C(=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#}
CCOc1ccsc1C(=O)OC
CCOc1ccsc1C(=O)OC
methyl3-ethoxythiophene-2-carboxylate