Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 2.314\% 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 additional words.
Options:
[a] O=C1NC(Cc2ccccc2)C(=O)N1CC(=O)N1CCCc2ccccc21
[b] COCCNc1nc2c(-c3cccc(C(F)(F)F)c3)nnn2c2ccccc12
[c] O=C(Nc1ccc2c(c1)OCO2)c1ccccn1
[d] Cc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
[e] CCc1ccc2nc(N(CCN(C)C)C(=O)/C=C/c3cccs3)sc2c1.Cl
Answer: d. Cc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)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#}
Cc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
Cc1ccc(-c2nc3ccc([N+](=O)[O-])cc3[nH]2)cc1
2-(4-methylphenyl)-6-nitro-1H-benzimidazole