Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1ccccc1NC(=O)Cn1c([N+](=O)[O-])cnc1C
b: C/C(CCN1CCCCc2nc(C)c(C)cc21)=N\O[C@@H](C)CN1CCCCc2nc(C)c(C)cc21
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}