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) CCCn1c(N2CCN(CC(=O)Nc3ccc4c(c3)OCCO4)CC2)nc2ccccc21.Cl
b) CCN(CC)CCCNC(=O)c1nn2c(C(F)(F)F)cc(-c3ccccc3)nc2c1Cl
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}