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: Cc1cccc(NC2=NC(=S)N(c3ccc(C(=O)O)cc3)C23CCCCC3)c1
b: O=c1[nH]n2cc(-n3cc([N+](=O)[O-])cn3)cnc2c1Br
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}