Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a -1.421\% 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] O=C(NS(=O)(=O)c1ccc(Cl)s1)c1ccccc1
[b] CCCN1CN(Cc2ccccc2)CC2=C1CC(C)(C)CC2=O.Cl
Answer: b. CCCN1CN(Cc2ccccc2)CC2=C1CC(C)(C)CC2=O.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#}
CCCN1CN(Cc2ccccc2)CC2=C1CC(C)(C)CC2=O.Cl
CCCN1CN(Cc2ccccc2)CC2=C1CC(C)(C)CC2=O.Cl
3-benzyl-7,7-dimethyl-1-propyl-2,4,6,8-tetrahydroquinazolin-5-one;hydrochloride