Task: Answer the multiple choice question.
Question: Which drug has a 15.574\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCOC(CNc1ncnc2sc(-c3ccccc3)cc12)OCC
b: CCc1ccc(-c2cc3c(=O)n(CC(=O)NCCCN4CCN(CC)CC4)nc(C)n3n2)cc1
Answer: a. CCOC(CNc1ncnc2sc(-c3ccccc3)cc12)OCC
{#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#}
CCOC(CNc1ncnc2sc(-c3ccccc3)cc12)OCC
CCOC(CNc1ncnc2sc(-c3ccccc3)cc12)OCC
N-(2,2-diethoxyethyl)-6-phenylthieno[2,3-d]pyrimidin-4-amine