Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCCN(CCC)C(=O)c1ccc2c(=O)n(Cc3ccco3)c(=S)[nH]c2c1
[b] CCOC(=O)C1=C(CSc2nc(CC)c(C)cc2C#N)OC(N)=C(C#N)C1c1ccccc1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}