Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=[N+]([O-])c1cn(Cc2ccc(Cl)cc2)cn1
b) O=C(O)C(=O)O.O=[N+]([O-])c1ccc(S(=O)(=O)N2CCN(C3CCN(Cc4ccccc4)CC3)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}