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 other words.
Options:
[a] O=C(Nc1ccc(OC(F)F)cc1)c1cc(S(=O)(=O)N2CCCCC2)ccc1N1CCOCC1
[b] CCOc1ccc(S(=O)(=O)N2CCCC(C(=O)Nc3cccc(C)c3)C2)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}