Task: Answer the MCQ question.
Question: Which drug exhibits a 3.114\% 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] CC(=O)c1sc(NC(=O)c2cnc(Cl)c(Cl)c2)nc1C
[b] CCOc1ccc(CN2CCN(C3CCC3)CC2CCO)cc1
Answer: b. CCOc1ccc(CN2CCN(C3CCC3)CC2CCO)cc1
{#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#}
CCOc1ccc(CN2CCN(C3CCC3)CC2CCO)cc1
CCOc1ccc(CN2CCN(C3CCC3)CC2CCO)cc1
2-[4-cyclobutyl-1-[(4-ethoxyphenyl)methyl]piperazin-2-yl]ethanol