Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C/C(=N\NC(=O)Cn1cc([N+](=O)[O-])cn1)c1ccc(O)cc1
b: OC1(c2ccc(Cl)cc2)CCN(Cc2cn[nH]c2-c2ccccc2)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}