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) O=C(N[C@@H](c1ccccc1)[C@@H]1C[C@H]1C(=O)O)OCc1ccccc1
(b) CN(C)S(=O)(=O)c1ccc(Cl)c(NC(=O)COC(=O)CN2C(=O)NC(C)(C)C2=O)c1
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}