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 additional words.
Options:
a CN1C(=O)NC(=O)/C(=C/c2ccc([N+](=O)[O-])o2)C1=O
b CCOc1cccc(N(C(=O)CNC(=O)c2ccco2)C(C(=O)NCC2CCCO2)c2ccccc2)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}