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: CCCCCn1c(=O)c(C(=O)c2ccccc2)nc2ccccc21
b: O=C(Nc1cc(S(=O)(=O)Nc2ccc(Cl)cc2)ccc1O)c1ccc(S(=O)(=O)N2CCCCCC2)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}