Task: Answer the MCQ question.
Query: Which compound exhibits a 0.289\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) Cc1cccc(Nc2ncnc(N)c2[N+](=O)[O-])n1
(b) CC(C)CN(C(=O)CSc1nncs1)c1c(N)n(CC(C)C)c(=O)[nH]c1=O
(c) Cc1cccc(OCCCCc2c(C)n[nH]c2C)c1
(d) O=C(CCn1nc(-c2ccc(Cl)cc2)c2ccccc2c1=O)NCC1CCCO1
(e) CCOc1ccc(-n2c(SCC(=O)Nc3cc(C(=O)O)ccc3Cl)nc3ccccc3c2=O)cc1
Answer: a. Cc1cccc(Nc2ncnc(N)c2[N+](=O)[O-])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#}
Cc1cccc(Nc2ncnc(N)c2[N+](=O)[O-])n1
Cc1cccc(Nc2ncnc(N)c2[N+](=O)[O-])n1
[C][C][=C][C][=C][C][Branch2][Ring1][C][N][C][=N][C][=N][C][Branch1][C][N][=C][Ring1][#Branch1][N+1][=Branch1][C][=O][O-1][=N][Ring1][P]
4-N-(6-methylpyridin-2-yl)-5-nitropyrimidine-4,6-diamine