Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 14.613\% 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) CCOc1ccc2[nH]c3c(NCCO)ncnc3c2c1
b) O=C(c1ccc(N2CCCCS2(=O)=O)cc1)N1CCN(c2ccc(N3CCOCC3)nn2)CC1
Answer: a. CCOc1ccc2[nH]c3c(NCCO)ncnc3c2c1
{#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#}
CCOc1ccc2[nH]c3c(NCCO)ncnc3c2c1
CCOc1ccc2[nH]c3c(NCCO)ncnc3c2c1
2-[(8-ethoxy-5H-pyrimido[5,4-b]indol-4-yl)amino]ethanol