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) CC(=O)OCC1OC(Nc2cccc(C)c2)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O
b) CCOc1ccc(C(C)=O)cc1COc1cccnc1[N+](=O)[O-]
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}