Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1ccccc1NC(=O)C1=C(C)Nc2nnnn2C1c1cccc(Br)c1
b: Cc1cccc(N2CC(C(=O)OCC(=O)c3ccc(OC(=O)c4cccs4)cc3)CC2=O)c1C
Answer: a, 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}