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.) O=C(COC(=O)c1ccc2ccccc2n1)NCc1ccccc1
b.) CC(=O)c1ccc(N2C(=O)[C@@H]3C(CCC(N)=O)NC4(C(=O)Nc5c4ccc(Cl)c5C)[C@@H]3C2=O)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}