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. Cc1c(Cl)c([N+](=O)[O-])nn1CCCC(=O)Nc1c(C)n(C)n(-c2ccccc2)c1=O
b. Cc1cc(NS(=O)(=O)c2ccc(NC(=O)c3cc(-c4cccnc4)nc4ccc(Cl)cc34)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}