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 additional words.
Options:
a COc1cc(NC(=O)c2ccco2)c(OC)cc1NC(=O)CSc1ncc(-c2ccc(F)cc2)[nH]1
b CCC(CC)=NNc1ccc(S(N)(=O)=O)cc1[N+](=O)[O-]
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}