Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCCn1c(N)c(N(CCOC)C(=O)c2ccc(S(=O)(=O)N(CC)c3ccccc3)cc2)c(=O)[nH]c1=O
[b] CCCNC(=O)CSc1nc2[nH]ncc2c(=O)[nH]1
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}