Task: Please answer the multiple choice question.
Question: Which molecules are not 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] CCOc1ccccc1Nc1nc(-c2sc(NC(=O)c3cccc(Cl)c3)nc2C)cs1
[b] Br.CCCn1c(=N)n(CC(=O)c2ccc(OCC(=O)OC)cc2)c2ccccc21
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}