Task: Answer the multiple-choice question.
Question: Which drug exhibits a 19.906\% 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) CN(C(=O)CCCN1C(=O)c2cccc3cccc(c23)C1=O)c1ccccc1
b) Cc1[nH]c(C)c(S(=O)(=O)N2CCN(c3cccc(C(F)(F)F)c3)CC2)c1C(=O)N1CCCC1
c) C(=NC12CN3CN(CN(C3)C1)C2)c1cccs1
Answer: b. Cc1[nH]c(C)c(S(=O)(=O)N2CCN(c3cccc(C(F)(F)F)c3)CC2)c1C(=O)N1CCCC1
{#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#}
Cc1[nH]c(C)c(S(=O)(=O)N2CCN(c3cccc(C(F)(F)F)c3)CC2)c1C(=O)N1CCCC1
Cc1[nH]c(C)c(S(=O)(=O)N2CCN(c3cccc(C(F)(F)F)c3)CC2)c1C(=O)N1CCCC1
[2,5-dimethyl-4-[4-[3-(trifluoromethyl)phenyl]piperazin-1-yl]sulfonyl-1H-pyrrol-3-yl]-pyrrolidin-1-ylmethanone