Problem statement: Answer the MCQ question.
Question: Which compound has a -26.563\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCOc1ccccc1CN1CCN(Cc2nc3c(s2)CCCC3)CC1CCO
b.) CCn1c(-c2cccc(Cl)c2)n[nH]c1=S
Answer: a. CCOc1ccccc1CN1CCN(Cc2nc3c(s2)CCCC3)CC1CCO
{#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#}
CCOc1ccccc1CN1CCN(Cc2nc3c(s2)CCCC3)CC1CCO
CCOc1ccccc1CN1CCN(Cc2nc3c(s2)CCCC3)CC1CCO
2-[1-[(2-ethoxyphenyl)methyl]-4-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-ylmethyl)piperazin-2-yl]ethanol