Problem statement: Answer the MCQ question.
Query: Which compound has a 2.066\% 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 other words.
Options:
a) O=C(O)C1CC(c2ccc(F)cc2)=NO1
b) CCc1c(C(=O)NCCc2ccc(OC)c(OC)c2)[nH]c(C)c1C(C)=O
Answer: a. O=C(O)C1CC(c2ccc(F)cc2)=NO1
{#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#}
3-(4-fluorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylicacid