Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(O/N=C/c1ccc2c(c1)OCO2)c1ccc([N+](=O)[O-])cc1
b) Cc1cccc(-n2c(SCC(=O)N3CCC(C(=O)O)CC3)nc3ccccc3c2=O)c1C
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}