Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=[N+]([O-])c1ccc(N(CC(O)CN2CCCCC2)S(=O)(=O)c2ccccc2)cc1
[b] Cc1ccc(S(=O)(=O)Oc2ccc(/C=N/N=C3/NC(=O)C(CC(=O)O)S3)cc2)cc1[N+](=O)[O-]
Answer: 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}