Task: Answer the multiple-choice question.
Query: Which compound has a -6.670% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=c1cc(CN2CCN(c3ccccc3F)CC2)c2cc3c(cc2o1)CCCC3
(b) CCCNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
(c) Cc1ccc(NC(=O)CCSc2nnc3ccccn23)cc1
(d) COc1ccc(OC)c(-c2c[n+](=O)c3c(n2[O-])CCCC3)c1
Answer: b. CCCNc1ccc(C(=O)OCC)cc1[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_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#}
CCCNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
CCCNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
ethyl 3-nitro-4-(propylamino)benzoate