Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccccc1/C=C(\NC(=O)c1ccc(OC)c(OC)c1)C(=O)Nc1cc([N+](=O)[O-])ccc1C
(b) Cc1c(C#N)c(O)[nH]c(=O)c1N=Nc1ccc(Cl)c(C(=O)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}