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) COC(=O)[C@@H]1C[C@@H]2CC[C@@H](O)C[C@@H]2N1Cc1ccc(Cl)cc1
(b) COc1ccc(OC)c(C(=O)NC(CC(N)=O)c2ccc(N3CCN(c4ccc(F)cc4)CC3)c([N+](=O)[O-])c2)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}