Task: Answer the multiple-choice question.
Query: Which compound has a 2.272\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] Cc1onc(-c2ccccc2)c1C(=O)N/N=C/c1ccc([N+](=O)[O-])s1
[b] COc1ccc(CN2CCC(Oc3cc(C(=O)NC4CC4)ccc3OC)CC2)c(O)c1
[c] N#Cc1c(-c2ccco2)nc(SCC(=O)Nc2ccc(S(N)(=O)=O)cc2)[nH]c1=O
[d] Cc1cc(O)c2c(c1)C(=O)c1cc(O)cc(O)c1C2=O
[e] O=C(CSc1nnc(-c2ccc(Br)cc2)o1)Nc1cccc(C(=O)O)c1
Answer: a. Cc1onc(-c2ccccc2)c1C(=O)N/N=C/c1ccc([N+](=O)[O-])s1
{#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#}
Cc1onc(-c2ccccc2)c1C(=O)N/N=C/c1ccc([N+](=O)[O-])s1
Cc1onc(-c2ccccc2)c1C(=O)N/N=C/c1ccc([N+](=O)[O-])s1
5-methyl-N-[(E)-(5-nitrothiophen-2-yl)methylideneamino]-3-phenyl-1,2-oxazole-4-carboxamide