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. COc1cccc(-c2c(NC(=O)c3ccco3)oc3ccccc3c2=O)c1
b. CCc1nnc(NS(=O)(=O)c2ccc(NCc3cc(Br)ccc3O)cc2)s1
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}