Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 10.640\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: NNc1ccc(Cl)c(C(=O)O)c1
b: COc1ccc(Nc2nc(N3CCN(S(C)(=O)=O)CC3)nc3ccccc23)c(OC)c1
c: O=C(c1ccc(CNS(=O)(=O)c2ccccc2)cc1)N1CCC2(CC1)OCCO2
Answer: a. NNc1ccc(Cl)c(C(=O)O)c1
{#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#}
2-chloro-5-hydrazinylbenzoicacid