Task: Answer the multiple-choice question.
Query: Which drug exhibits a 16.315\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] O=[N+]([O-])c1ccc(-c2ccc(C=Nc3cccc4ccccc34)o2)cc1
[b] CCOc1ncccc1C(=O)Nc1nnc(C)s1
[c] Cc1cccc(OCc2nnc(SCC(=O)Nc3cccc(C(=O)N4CCOCC4)c3)o2)c1C
[d] COc1ccc(CNCc2ccc3c(c2)OCO3)cc1Br.O=C(O)C(=O)O
Answer: a. O=[N+]([O-])c1ccc(-c2ccc(C=Nc3cccc4ccccc34)o2)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#}
O=[N+]([O-])c1ccc(-c2ccc(C=Nc3cccc4ccccc34)o2)cc1
O=[N+]([O-])c1ccc(-c2ccc(C=Nc3cccc4ccccc34)o2)cc1
N-naphthalen-1-yl-1-[5-(4-nitrophenyl)furan-2-yl]methanimine