Task: Answer the multiple-choice question.
Query: Which compound exhibits a 5.494\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(NCCCc1ccccc1)c1cc(COc2ccc(F)cc2Cl)on1
(b) COc1ccc2c(C)nc(Nc3nc(-c4ccccc4)cc(=O)[nH]3)nc2c1
Answer: b. COc1ccc2c(C)nc(Nc3nc(-c4ccccc4)cc(=O)[nH]3)nc2c1
{#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#}
COc1ccc2c(C)nc(Nc3nc(-c4ccccc4)cc(=O)[nH]3)nc2c1
COc1ccc2c(C)nc(Nc3nc(-c4ccccc4)cc(=O)[nH]3)nc2c1
2-[(7-methoxy-4-methylquinazolin-2-yl)amino]-4-phenyl-1H-pyrimidin-6-one