Task: Answer the MCQ question.
Query: Which drug exhibits a 13.916\% 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, or c without using any other words.
Options:
(a) Cc1ccc(CCNS(=O)(=O)c2c(C)nc3sccn3c2=O)cc1
(b) NNc1nc2c(Cl)ccc(Cl)c2s1
(c) CCC(C)n1cnc2c(c1=O)c1nc3ccccc3nc1n2-c1ccc2c(c1)OCCO2
Answer: b. NNc1nc2c(Cl)ccc(Cl)c2s1
{#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(Cl)ccc(Cl)c2s1
NNc1nc2c(Cl)ccc(Cl)c2s1
(4,7-dichloro-1,3-benzothiazol-2-yl)hydrazine