Task: Answer the multiple choice question.
Query: Which drug exhibits a 19.719% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] Nc1nonc1NC(=O)CSc1nc2ccccc2s1
[b] CS(=O)(=O)N(Cc1ccccc1)c1ccc(C(=O)NC2CCCCC2O)cc1
[c] CC(=O)NC(CCS(C)(=O)=O)C(=O)Nc1c(F)cccc1F
[d] Cc1ccc(C(C(=O)NCc2ccco2)N(C(=O)CNC(=O)c2cccs2)c2ccc(C)cc2)cc1
[e] O=C(Nc1ccc(Br)cc1)Nc1ccccc1Cl
Answer: e. O=C(Nc1ccc(Br)cc1)Nc1ccccc1Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1ccc(Br)cc1)Nc1ccccc1Cl
O=C(Nc1ccc(Br)cc1)Nc1ccccc1Cl
1-(4-bromophenyl)-3-(2-chlorophenyl)urea