Problem statement: Answer the multiple-choice question.
Question: Which drug has a 4.704\% 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) C=CCN(CC=C)C(=O)COC(=O)c1n[nH]c2ccccc12
(b) CCCCNc1ccc2nsnc2c1[N+](=O)[O-]
(c) COc1ccc(CNC(=O)COC(=O)c2cc(-c3ccc(Cl)s3)nc3ccccc23)cc1
(d) CCOC(=O)C1=C(N)OC2=C(C(=O)CCC2)C1c1ccc(C)s1
Answer: b. CCCCNc1ccc2nsnc2c1[N+](=O)[O-]
{#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#}
CCCCNc1ccc2nsnc2c1[N+](=O)[O-]
CCCCNc1ccc2nsnc2c1[N+](=O)[O-]
[C][C][C][C][N][C][C][=C][C][=N][S][N][=C][Ring1][Branch1][C][=Ring1][=Branch2][N+1][=Branch1][C][=O][O-1]
N-butyl-4-nitro-2,1,3-benzothiadiazol-5-amine