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] C=CCN(CC=C)C(=O)COC(=O)c1ccc(Sc2ncn[nH]2)c([N+](=O)[O-])c1
[b] CCOP(=O)(c1c(F)c(F)c(F)c(F)c1F)C1(O)CCCCC1
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}