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 additional words.
Options:
a. CCOC(=O)c1ccc(NC(=O)c2nc[nH]c2C(=O)N[C@@H](Cc2ccccc2)C(=O)OC(C)(C)C)cc1
b. O=[N+]([O-])c1cc(F)c(N2CCCCCC2)cc1N1CCNCC1
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}