Problem statement: Answer the MCQ question.
Question: Which compound has a 13.508\% 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] OCC1CCCC(n2cnc3c(=S)nc[nH]c32)O1
[b] O=c1cc(-c2ccccc2Cl)oc2c([N+](=O)[O-])c(O)cc(O)c12
Answer: a. OCC1CCCC(n2cnc3c(=S)nc[nH]c32)O1
{#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#}
OCC1CCCC(n2cnc3c(=S)nc[nH]c32)O1
OCC1CCCC(n2cnc3c(=S)nc[nH]c32)O1
9-[6-(hydroxymethyl)oxan-2-yl]-3H-purine-6-thione