Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.965\% 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 additional words.
Options:
[a] Nc1nc2n(n1)C(c1ccco1)CC(c1ccc(Cl)cc1Cl)N2
[b] Cc1cc(Br)ccc1NC(=S)NC1CCCC1
[c] CSc1nnc(-c2ccco2)n1-c1ccccc1
[d] CCCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
[e] CC(NS(=O)(=O)c1ccc(Cl)cc1)C(c1cccs1)N1CCN(C)CC1
Answer: d. CCCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
{#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#}
CCCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
CCCn1c(=O)c(-c2ccccc2)c(O)c2ccccc21
4-hydroxy-3-phenyl-1-propylquinolin-2-one