Task: Answer the multiple-choice question.
Question: Which drug exhibits a 9.338\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCC(C)(C)NC(=O)COc1ccc(C(=O)c2ccccc2)cc1
(b) Cc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCOCC3)n2)cc1C
Answer: b. Cc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCOCC3)n2)cc1C
{#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#}
Cc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCOCC3)n2)cc1C
Cc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCOCC3)n2)cc1C
[C][C][=C][C][=C][Branch2][Ring1][=C][N][C][=N][C][Branch1][C][N][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][Branch1][=Branch2][N][C][C][O][C][C][Ring1][=Branch1][=N][Ring1][S][C][=C][Ring2][Ring1][#Branch1][C]
2-N-(3,4-dimethylphenyl)-6-morpholin-4-yl-5-nitropyrimidine-2,4-diamine