Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 6.121\% 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] CCCC(=O)Nc1ccc(Sc2ccc([N+](=O)[O-])cc2)cc1
[b] COc1cc(N2CCCC2)ccc1[N+](=O)[O-]
[c] CCOC(=O)c1c[nH]c2c(Cl)c(Cl)ccc2c1=O
[d] Cc1c2cn[nH]c(=O)c2c(C)n1Cc1ccc(F)cc1
[e] COc1ccc(Cc2nnc(SCC(=O)Nc3ccc(C)cc3C)[nH]c2=O)cc1
Answer: b. COc1cc(N2CCCC2)ccc1[N+](=O)[O-]
{#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#}
COc1cc(N2CCCC2)ccc1[N+](=O)[O-]
COc1cc(N2CCCC2)ccc1[N+](=O)[O-]
1-(3-methoxy-4-nitrophenyl)pyrrolidine