Task: Answer the multiple choice question.
Question: Which drug has a 1.961\% 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 CC1CCC2(CC1)C(Nc1cccc(Cl)c1)=NC(=S)N2CC#N
b Clc1nc2nc3n(c2nc1Cl)CCC3
Answer: b. Clc1nc2nc3n(c2nc1Cl)CCC3
{#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#}
Clc1nc2nc3n(c2nc1Cl)CCC3
Clc1nc2nc3n(c2nc1Cl)CCC3
10,11-dichloro-2,7,9,12-tetrazatricyclo[6.4.0.02,6]dodeca-1(8),6,9,11-tetraene