Task: Answer the multiple choice question.
Question: Which compound has a 19.259\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCc1nn(CCCC(=O)N2CCN(c3ccc(OC)cc3)CC2)c(=O)c2cc3occc3n12
[b] Cc1cccc[n+]1CC(=O)Nc1ccc([N+](=O)[O-])cc1Cl.[Cl-]
[c] COC(=O)C(NC(=O)C(NC(=O)c1ccccc1)C(C)C)C(C)C
[d] O=[N+]([O-])c1cc(S(=O)(=O)NC2=NCCCCC2)ccc1NCC1CCCCC1
Answer: b. Cc1cccc[n+]1CC(=O)Nc1ccc([N+](=O)[O-])cc1Cl.[Cl-]
{#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#}
N-(2-chloro-4-nitrophenyl)-2-(2-methylpyridin-1-ium-1-yl)acetamide;chloride