Problem statement: Answer the multiple-choice question.
Query: Which drug has a 6.621\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Brc1ccc(-c2nc(N/N=C/c3cccnc3)c3ccccc3n2)cc1
b O=c1o[nH]c(-c2ccccc2)c1C1=NCCCCC1
Answer: b. O=c1o[nH]c(-c2ccccc2)c1C1=NCCCCC1
{#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=c1o[nH]c(-c2ccccc2)c1C1=NCCCCC1
O=c1o[nH]c(-c2ccccc2)c1C1=NCCCCC1
3-phenyl-4-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-2H-1,2-oxazol-5-one