Problem statement: Answer the MCQ question.
Question: Which compound has a 19.967\% 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 other words.
Options:
[a] O=C(COc1ccccc1)NNc1nc2c(F)cccc2s1
[b] BrCC(Br)C1CCC(Br)C(Br)C1
[c] COc1ccc(OC)c2c1cc(C(=O)N[C@@H](C)C(=O)N[C@@H](C(=O)O)c1ccccc1)n2C
[d] O=C(CSc1nnc(COc2ccc(Br)cc2)o1)NC1CCCCC1
[e] CCOC(=O)c1cc(NC(=O)C2C3CCC(O3)C2C(=O)O)cc(C(=O)OCC)c1
Answer: b. BrCC(Br)C1CCC(Br)C(Br)C1
{#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#}
BrCC(Br)C1CCC(Br)C(Br)C1
BrCC(Br)C1CCC(Br)C(Br)C1
1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane