Task: Answer the multiple choice question.
Query: Which drug has a -0.964\% 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: CCc1cc2c(NCc3ccco3)ncnc2s1.Cl
b: CCn1nc(C(=O)N2CCc3ccccc3C2)c2ccccc2c1=O
Answer: a. CCc1cc2c(NCc3ccco3)ncnc2s1.Cl
{#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#}
CCc1cc2c(NCc3ccco3)ncnc2s1.Cl
CCc1cc2c(NCc3ccco3)ncnc2s1.Cl
6-ethyl-N-(furan-2-ylmethyl)thieno[2,3-d]pyrimidin-4-amine;hydrochloride