Task: Answer the MCQ question.
Query: Which drug has a 6.851\% 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: NC(=O)CC(NC(=O)Cc1ccc(Cl)cc1)c1ccc(NC2CCCC2)c([N+](=O)[O-])c1
b: O=C(Cn1cnc2ccccc2c1=O)c1ccc2c(c1)OCCO2
Answer: b. O=C(Cn1cnc2ccccc2c1=O)c1ccc2c(c1)OCCO2
{#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(Cn1cnc2ccccc2c1=O)c1ccc2c(c1)OCCO2
O=C(Cn1cnc2ccccc2c1=O)c1ccc2c(c1)OCCO2
3-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-oxoethyl]quinazolin-4-one