Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 9.547\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cc1cccn2c(=O)c(C=Nc3ccc(Cl)cc3)c(NCCO)nc12
b: O=C(c1ccc2c(=O)n3c(nc2c1)CCCCC3)N1CCN(c2ccc(Cl)cc2)CC1
Answer: a. Cc1cccn2c(=O)c(C=Nc3ccc(Cl)cc3)c(NCCO)nc12
{#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#}
Cc1cccn2c(=O)c(C=Nc3ccc(Cl)cc3)c(NCCO)nc12
Cc1cccn2c(=O)c(C=Nc3ccc(Cl)cc3)c(NCCO)nc12
3-[(4-chlorophenyl)iminomethyl]-2-(2-hydroxyethylamino)-9-methylpyrido[1,2-a]pyrimidin-4-one