Task: Answer the MCQ question.
Question: Which drug has a 16.613\% 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) COc1ccc(NC(=O)NNC(=O)c2ccc3ccccc3c2O)c(OC)c1
(b) CCCCCCNc1nc(Cl)nc(NC(C)(C)CO)n1
Answer: b. CCCCCCNc1nc(Cl)nc(NC(C)(C)CO)n1
{#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#}
CCCCCCNc1nc(Cl)nc(NC(C)(C)CO)n1
CCCCCCNc1nc(Cl)nc(NC(C)(C)CO)n1
2-[[4-chloro-6-(hexylamino)-1,3,5-triazin-2-yl]amino]-2-methylpropan-1-ol