Task: Answer the MCQ question.
Question: Which drug has a -4.645\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccccc1CNC(=O)CSc1nc2c(oc3ccccc32)c(=O)n1CC1CCCO1
(b) CCOC(=O)c1cnc(=O)[nH]c1C.Cl
Answer: b. CCOC(=O)c1cnc(=O)[nH]c1C.Cl
{#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#}
CCOC(=O)c1cnc(=O)[nH]c1C.Cl
CCOC(=O)c1cnc(=O)[nH]c1C.Cl
ethyl 6-methyl-2-oxo-1H-pyrimidine-5-carboxylate;hydrochloride