Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 13.859\% 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: CC(C)CC(NC(=O)OC(C)(C)C)C(=O)NC(C(=O)N1CCCC1C(N)=O)C(C)C
b: COc1ccc(N(CC(=O)Nc2cc(Cl)ccc2C)S(=O)(=O)c2c(C)noc2C)cc1
c: CCn1nc(NC(C)=O)c2cc3ccc(C)cc3nc21
d: O=[N+]([O-])c1ccc(N2CCCCC2)cn1
e: COc1ccc(OC)c(NCc2nnc(-c3ccccc3)o2)c1
Answer: d. O=[N+]([O-])c1ccc(N2CCCCC2)cn1
{#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#}
O=[N+]([O-])c1ccc(N2CCCCC2)cn1
O=[N+]([O-])c1ccc(N2CCCCC2)cn1
2-nitro-5-piperidin-1-ylpyridine