Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -0.237\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) CCN(CC(=O)Nc1cc(Cl)ccc1C)C(=O)C1CC(=O)N(Cc2ccccc2)C1
b) Cn1c(=O)c2c(ncn2CCOc2cccc(Br)c2)n(C)c1=O
c) Cn1c(C(=O)N2CCN(c3ccccc3)CC2)cc2cc(Cl)ccc21
d) COC(=O)[C@@]1(Cc2ccc(OC)cc2)[C@H]2c3cc(C(=O)N4CCCC4)n(CCn4cc([N+](=O)[O-])nc4C)c3C[C@H]2CN1C(=O)c1ccccc1
e) COc1cc(NC(=O)CSc2nnc(NC(C)C)s2)cc(OC)c1OC
Answer: b. Cn1c(=O)c2c(ncn2CCOc2cccc(Br)c2)n(C)c1=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#}
Cn1c(=O)c2c(ncn2CCOc2cccc(Br)c2)n(C)c1=O
Cn1c(=O)c2c(ncn2CCOc2cccc(Br)c2)n(C)c1=O
7-[2-(3-bromophenoxy)ethyl]-1,3-dimethylpurine-2,6-dione