Task: Answer the multiple-choice question.
Question: Which compound has a 18.787\% 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 CCC(C(=O)Nc1ccc2c(c1)OCCO2)c1ccccc1
b Cc1ccc(C(c2nnnn2C2CCCC2)N2c3ccccc3CC2C)cc1.Cl
Answer: a. CCC(C(=O)Nc1ccc2c(c1)OCCO2)c1ccccc1
{#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#}
CCC(C(=O)Nc1ccc2c(c1)OCCO2)c1ccccc1
CCC(C(=O)Nc1ccc2c(c1)OCCO2)c1ccccc1
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-phenylbutanamide