Task: Answer the MCQ question.
Question: Which drug exhibits a -7.459\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1nc(Nc2ccc(-c3nc4ccccc4o3)cc2)nc(N2CCOCC2)n1
b O=C(C(=O)N1CCCc2ccccc21)N1CCCc2ccccc21
Answer: b. O=C(C(=O)N1CCCc2ccccc21)N1CCCc2ccccc21
{#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(C(=O)N1CCCc2ccccc21)N1CCCc2ccccc21
O=C(C(=O)N1CCCc2ccccc21)N1CCCc2ccccc21
1,2-bis(3,4-dihydro-2H-quinolin-1-yl)ethane-1,2-dione