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: Cc1ccc(-c2cccc(CN3CCN(C4CCN(C(C)C)CC4)C(CCO)C3)c2)o1
b: COc1ccc(NC(=O)C2C3C=CC4(O3)C2C(=O)N(CCN2CCCCC2C)C4C(=O)NC2CCCC(C)C2C)cc1
Answer: 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}