Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -0.925\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(NNC(=O)C12CC3CC(CC(Cl)(C3)C1)C2)c1ccncc1
b. COCCn1c(=O)c2c(nc3n2CC(C)CN3Cc2ccccc2)n(C)c1=O
c. Cc1cc(NS(=O)(=O)c2ccc(NC(=O)COc3ccccc3[N+](=O)[O-])cc2)no1
d. CC(=O)/C=C1/C(=O)Nc2ccccc21
Answer: b. COCCn1c(=O)c2c(nc3n2CC(C)CN3Cc2ccccc2)n(C)c1=O
{#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#}
COCCn1c(=O)c2c(nc3n2CC(C)CN3Cc2ccccc2)n(C)c1=O
COCCn1c(=O)c2c(nc3n2CC(C)CN3Cc2ccccc2)n(C)c1=O
9-benzyl-3-(2-methoxyethyl)-1,7-dimethyl-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione