Task: Answer the multiple choice question.
Question: Which drug exhibits a -4.261\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CC(NS(=O)(=O)c1ccc(Br)cc1)c1ccccc1
[b] CCN1CCN(c2ncc(C(=O)Nc3cc(Cl)ccc3OC)c3ccccc23)CC1
[c] Cc1ccc(SCc2nc(-c3ccccc3)no2)cc1
[d] CCn1cc(Br)c(C(=O)Nc2cccc(SC)c2)n1
[e] COC(=O)C1=C(c2ccc(-c3ccccc3)c(F)c2)C[C@@H]2CC[C@H]1N2C(=O)NCCOc1ccccc1Cl
Answer: b. CCN1CCN(c2ncc(C(=O)Nc3cc(Cl)ccc3OC)c3ccccc23)CC1
{#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#}
CCN1CCN(c2ncc(C(=O)Nc3cc(Cl)ccc3OC)c3ccccc23)CC1
CCN1CCN(c2ncc(C(=O)Nc3cc(Cl)ccc3OC)c3ccccc23)CC1
N-(5-chloro-2-methoxyphenyl)-1-(4-ethyl-1,4-diazinan-1-yl)isoquinoline-4-carboxamide