Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 6.612\% 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) COCCNc1ncnc2c1cnn2Cc1ccccc1Cl
(b) CCn1c(=O)c2cc(C(=O)N3CCN(C)CC3)sc2c2ccccc21
Answer: a. COCCNc1ncnc2c1cnn2Cc1ccccc1Cl
{#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#}
COCCNc1ncnc2c1cnn2Cc1ccccc1Cl
COCCNc1ncnc2c1cnn2Cc1ccccc1Cl
1-[(2-chlorophenyl)methyl]-N-(2-methoxyethyl)pyrazolo[3,4-d]pyrimidin-4-amine