Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCNS(=O)(=O)c1cccc(C(=O)OCc2cc(=O)oc3cc(OC)ccc23)c1
[b] O=C(NC(=S)Nc1cccc(C(F)(F)F)c1)c1ccc2nonc2c1
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}