Task: Answer the multiple choice question.
Question: Which drug has a -2.638% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC1CN(c2ncnc3c2oc2ccccc23)CC(C)O1.Cl
b Cc1ccc(F)cc1NC(=O)CN1C(=O)NC(C)(c2ccc3c(c2)OCCO3)C1=O
Answer: a. CC1CN(c2ncnc3c2oc2ccccc23)CC(C)O1.Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC1CN(c2ncnc3c2oc2ccccc23)CC(C)O1.Cl
CC1CN(c2ncnc3c2oc2ccccc23)CC(C)O1.Cl
4-(2,6-dimethylmorpholin-4-yl)-[1]benzofuro[3,2-d]pyrimidine;hydrochloride