Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 2.206\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=C(N/N=C/c1ccc(Cl)cc1)Nc1ccccc1
b) CCc1c(C)nc2c(Br)cccc2c1SCCC#N
Answer: a. O=C(N/N=C/c1ccc(Cl)cc1)Nc1ccccc1
{#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#}
1-[(E)-(4-chlorophenyl)methylideneamino]-3-phenylurea