Task: Answer the MCQ question.
Query: Which compound has a -2.253\% 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.) CCCN1Cc2cccc(C(=O)Nc3cc(OC)cc(OC)c3)c2C1=O
b.) CCn1c(CCn2ccnc2C)n[nH]c1=S
Answer: b. CCn1c(CCn2ccnc2C)n[nH]c1=S
{#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#}
CCn1c(CCn2ccnc2C)n[nH]c1=S
CCn1c(CCn2ccnc2C)n[nH]c1=S
4-ethyl-3-[2-(2-methylimidazol-1-yl)ethyl]-1H-1,2,4-triazole-5-thione