Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCCCN(C(=O)Cn1nnc2ccccc21)C(C(=O)NCCOC)c1cccs1
[b] Cc1cc(NS(=O)(=O)c2ccc(NC(=O)COc3ccccc3[N+](=O)[O-])cc2)no1
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}