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, b, or c without using any other words.
Options:
[a] O=Cc1c(C(=O)O)n(CC(=O)O)c2ccccc12
[b] COc1ccc2ccc(O)c(CN3CCN(S(=O)(=O)c4cc([N+](=O)[O-])ccc4C)CC3)c2c1
[c] Cc1nn(CCCC(=O)Nc2cc(Oc3ccccc3)cc([N+](=O)[O-])c2)c(C)c1[N+](=O)[O-]
Answer: a, b, c
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}