Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 2.580\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) NNc1nnc2c3cc(F)ccc3n(Cc3ccccc3)c2n1
(b) N#CCCn1nnc2ccccc21
(c) Cc1cc(C)c(NC(=O)CN2C(=O)NC3(CCCCC3)C2=O)c(Cl)c1
(d) COc1cccc(NC2=C(C#N)C(=O)NC(c3cccc(OC)c3O)S2)c1
Answer: a. NNc1nnc2c3cc(F)ccc3n(Cc3ccccc3)c2n1
{#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#}
NNc1nnc2c3cc(F)ccc3n(Cc3ccccc3)c2n1
NNc1nnc2c3cc(F)ccc3n(Cc3ccccc3)c2n1
(5-benzyl-8-fluoro-[1,2,4]triazino[5,6-b]indol-3-yl)hydrazine