Task: Answer the multiple-choice question.
Query: Which drug exhibits a 12.866\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COC(=O)C1=C(C(=O)OC)[C@@H]2Nc3ccccc3[C@@]23C[C@@H](C(=O)OC)N(C(=O)CC(C)C)C3=N1
[b] Cc1cc(C)nc(/N=C(\N)Nc2ccc(C)c([N+](=O)[O-])c2)n1
Answer: b. Cc1cc(C)nc(/N=C(\N)Nc2ccc(C)c([N+](=O)[O-])c2)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#}
Cc1cc(C)nc(/N=C(\N)Nc2ccc(C)c([N+](=O)[O-])c2)n1
Cc1cc(C)nc(/N=C(\N)Nc2ccc(C)c([N+](=O)[O-])c2)n1
2-(4,6-dimethylpyrimidin-2-yl)-1-(4-methyl-3-nitrophenyl)guanidine