Task: Answer the MCQ question.
Query: Which compound has a 6.765\% 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 O=C(Nc1ccccc1OC(F)F)c1cc2c(s1)CCC2
b CC(C)CCNCC1OCc2ccccc2CO1.Cl
Answer: a. O=C(Nc1ccccc1OC(F)F)c1cc2c(s1)CCC2
{#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(Nc1ccccc1OC(F)F)c1cc2c(s1)CCC2
O=C(Nc1ccccc1OC(F)F)c1cc2c(s1)CCC2
N-[2-(difluoromethoxy)phenyl]-5,6-dihydro-4H-cyclopenta[b]thiophene-2-carboxamide