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) COc1ccc(CN(Cc2cc3cc(OC)c(OC)cc3[nH]c2=O)C(=O)NC2CCCCC2)cc1
(b) Cc1ccc(N2C(=O)N(CC(=O)Nc3cc(Cl)ccc3C)C(=O)C2C)cc1
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}