Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 2.162\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a.) NC(=O)c1ccc[n+](CC(=O)c2ccc(Br)cc2)c1.[Br-]
b.) CC(=O)Nc1cc(C)nn1-c1nc(C)cc(C)n1
c.) Oc1ccc(-c2csc(NCc3ccco3)n2)cc1
d.) COc1ccc(C(=O)NCc2nnc(SCC(=O)N3CCCc4ccccc43)o2)cc1OC
Answer: b. CC(=O)Nc1cc(C)nn1-c1nc(C)cc(C)n1
{#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-(4,6-dimethylpyrimidin-2-yl)-5-methylpyrazol-3-yl]acetamide