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.) CN1C(=O)c2ccccc2C(C(=O)O)C1c1cccc([N+](=O)[O-])c1
b.) CCC1(c2ccc(OC)cc2)NC(=O)N(CC(=O)NC2CCCCC2C)C1=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}