Task: Answer the MCQ question.
Query: Which drug exhibits a 4.050\% 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] COc1cc(C2NCC(c3ccc(Cl)cc3Cl)c3c2[nH]c2ccccc32)cc(OC)c1OC.Cl
[b] c1cc2c(cc1-n1cnnn1)OCO2
Answer: b. c1cc2c(cc1-n1cnnn1)OCO2
{#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#}
c1cc2c(cc1-n1cnnn1)OCO2
c1cc2c(cc1-n1cnnn1)OCO2
1-(1,3-benzodioxol-5-yl)tetrazole