Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCCC(=O)Nc1cc2c3c(c1)CCN3C(=O)CC2
b.) CN1CCN(c2nc3c(c(=O)[nH]c(=O)n3C)n2Cc2ccc([N+](=O)[O-])cc2)CC1
Answer: 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}