Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 6.886\% 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 additional words.
Options:
a. O=C(Nc1ccc(Cl)c(Cl)c1)Nn1cnnc1
b. CCOC(=O)C1CCN(c2c(C(=O)c3ccccc3)cnc3ccc(CC)cc23)CC1
Answer: a. O=C(Nc1ccc(Cl)c(Cl)c1)Nn1cnnc1
{#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(Nc1ccc(Cl)c(Cl)c1)Nn1cnnc1
O=C(Nc1ccc(Cl)c(Cl)c1)Nn1cnnc1
1-(3,4-dichlorophenyl)-3-(1,2,4-triazol-4-yl)urea