Problem statement: Answer the MCQ question.
Question: Which drug has a 18.844\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CC(=O)Nc1cccc(NC(=O)CSc2nn3c(=O)c(C)nnc3s2)c1
b) O=C(CN(c1ccc(Br)cc1)S(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)NCCc1ccccc1
c) O=C(Nc1ccccn1)c1ccc(C(=O)c2ccccc2)cc1
Answer: b. O=C(CN(c1ccc(Br)cc1)S(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)NCCc1ccccc1
{#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#}
O=C(CN(c1ccc(Br)cc1)S(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)NCCc1ccccc1
O=C(CN(c1ccc(Br)cc1)S(=O)(=O)c1ccc(Cl)c([N+](=O)[O-])c1)NCCc1ccccc1
[5-[(4-bromophenyl)-[2-oxo-2-(2-phenylethylamino)ethyl]sulfamoyl]-2-chlorophenyl]-oxido-oxoazanium