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) C=CCn1c(O)c(C(C)=NCCO)c(=O)[nH]c1=O
(b) COc1ccccc1C(=O)N1CCN(Cc2nc3cc([N+](=O)[O-])ccc3n2C)CC1
Answer: a
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}