Problem statement: Answer the MCQ question.
Query: Which drug has a 5.451\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. c1ccc(CSCc2nc3ccccc3[nH]2)cc1
b. CC(NC(=O)/C=C/c1ccc(Br)cc1)c1ccc(Cl)cc1
Answer: b. CC(NC(=O)/C=C/c1ccc(Br)cc1)c1ccc(Cl)cc1
{#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#}
CC(NC(=O)/C=C/c1ccc(Br)cc1)c1ccc(Cl)cc1
CC(NC(=O)/C=C/c1ccc(Br)cc1)c1ccc(Cl)cc1
(E)-3-(4-bromophenyl)-N-[1-(4-chlorophenyl)ethyl]prop-2-enamide