Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 14.375\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] OC(c1ccccc1)c1ccncc1
[b] CCn1cnc2c1c(=O)n(Cc1cccc([N+](=O)[O-])c1)c(=O)n2Cc1ccccc1
[c] COC(=O)c1cc(NC(=S)N2CCN(C(=O)C3CCCO3)CC2)cc(C(=O)OC)c1
Answer: b. CCn1cnc2c1c(=O)n(Cc1cccc([N+](=O)[O-])c1)c(=O)n2Cc1ccccc1
{#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#}
CCn1cnc2c1c(=O)n(Cc1cccc([N+](=O)[O-])c1)c(=O)n2Cc1ccccc1
CCn1cnc2c1c(=O)n(Cc1cccc([N+](=O)[O-])c1)c(=O)n2Cc1ccccc1
3-benzyl-7-ethyl-1-[(3-nitrophenyl)methyl]purine-2,6-dione