Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 5.390\% human ether-à-go-go related gene (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 COc1ccc(-c2oc3ccc(N4CCOCC4)cc3c2/C=C/c2ccc(OC)c(OC)c2)cc1
b Cc1ccc(NC2=NCCC2)cc1Cl
Answer: b. Cc1ccc(NC2=NCCC2)cc1Cl
{#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#}
Cc1ccc(NC2=NCCC2)cc1Cl
Cc1ccc(NC2=NCCC2)cc1Cl
N-(3-chloro-4-methylphenyl)-3,4-dihydro-2H-pyrrol-5-amine