Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.752\% 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.) CN(C)c1nc(N)nc(CSc2nnnn2-c2cccc3ccccc23)n1
b.) COc1c2occc2c(OC)c2c(=O)cc(C(F)(F)C(F)(F)F)oc12
Answer: b. COc1c2occc2c(OC)c2c(=O)cc(C(F)(F)C(F)(F)F)oc12
{#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#}
4,9-dimethoxy-7-(1,1,2,2,2-pentafluoroethyl)furo[3,2-g]chromen-5-one