Task: Answer the multiple choice question.
Question: Which compound has a -16.940\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(CC(=O)NCc1ccc(Cl)cc1)NCc1ccccc1
b.) O=C(c1cccs1)N1CCn2c1nc1ccccc12
c.) COCCN1Cc2cccc(C(=O)Nc3c(C)cccc3C)c2C1=O
Answer: b. O=C(c1cccs1)N1CCn2c1nc1ccccc12
{#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#}
O=C(c1cccs1)N1CCn2c1nc1ccccc12
O=C(c1cccs1)N1CCn2c1nc1ccccc12
1,2-dihydroimidazo[1,2-a]benzimidazol-3-yl(thiophen-2-yl)methanone