Task: Answer the multiple-choice question.
Query: Which compound exhibits a 19.592\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] NNc1nc2c(F)cc(F)cc2s1
[b] CCCCNC(=O)CCNS(=O)(=O)c1ccc(C)cc1
[c] COc1ccc(CNC(=S)Nc2cccc(Cl)c2)cc1
[d] CCN(CC)C(=O)Cn1cc(C(=O)C(=O)N2CCN(Cc3ccccc3)CC2)c2ccccc21
[e] CCC1CCCCN1C(=O)CSC1=NN2CCCC(=O)N=C2S1
Answer: a. NNc1nc2c(F)cc(F)cc2s1
{#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#}
NNc1nc2c(F)cc(F)cc2s1
NNc1nc2c(F)cc(F)cc2s1
(4,6-difluoro-1,3-benzothiazol-2-yl)hydrazine