Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 17.900\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) COCC(=O)N(C)C1(c2nnnn2CCOC(=O)Nc2cccc3ccccc23)CCCC1
b) Cc1ccccc1NC(=O)CN1C(=O)COc2ccc(Cl)cc21
c) Cc1ccc2oc(-c3cccc(NC(=O)/C=C/c4cccc([N+](=O)[O-])c4)c3C)nc2c1
d) COCCCNC(=O)Nc1ccc(Br)cc1Cl
Answer: d. COCCCNC(=O)Nc1ccc(Br)cc1Cl
{#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#}
COCCCNC(=O)Nc1ccc(Br)cc1Cl
COCCCNC(=O)Nc1ccc(Br)cc1Cl
1-(4-bromo-2-chlorophenyl)-3-(3-methoxypropyl)urea