Task: Answer the multiple-choice question.
Question: Which compound has a 17.879% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=[N+]([O-])c1cc(Cl)c(Cl)cc1Cl
b COC(=O)c1ccc(C(=O)OC)c(NC(=O)CCC(=O)O)c1
c COc1ccc(N2CCN(C(=O)c3ccc(C)cc3)CC2)c([N+](=O)[O-])c1
d Cc1ccc(S(=O)(=O)N2CCCCC2C(=O)N2CCN(C)CC2)cc1
e COc1ccccc1CN(Cc1cc2cc3c(cc2[nH]c1=O)OCCO3)Cc1nnnn1Cc1ccco1
Answer: a. O=[N+]([O-])c1cc(Cl)c(Cl)cc1Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=[N+]([O-])c1cc(Cl)c(Cl)cc1Cl
O=[N+]([O-])c1cc(Cl)c(Cl)cc1Cl
1,2,4-trichloro-5-nitrobenzene