Task: Answer the MCQ question.
Question: Which drug has a 15.217\% 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. Cl.OC(COc1ccccc1)CN1CCC(Cc2ccccc2)CC1
b. COC(=O)CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
Answer: b. COC(=O)CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
{#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#}
COC(=O)CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
COC(=O)CSc1nc(N2CCOCC2)c2c(c1C#N)CCCC2
methyl 2-[(4-cyano-1-morpholin-4-yl-5,6,7,8-tetrahydroisoquinolin-3-yl)sulfanyl]acetate