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 other words.
Options:
a: O=C(c1cc(COc2ccc3ncccc3c2)on1)N1CCCCCC1
b: CCN(CC)c1ccc(CN2CCC(C(=O)NCc3ccc(C)cc3)CC2)cc1.O=C(O)C(=O)O
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}