Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCCc1c(CC)c(=N)c2ccccc2n1C.I
b. O=C(CN1C(=O)c2cccc3cccc1c23)Nc1cccnc1
c. COc1ccccc1N1CCN(c2cc(=O)n(-c3ccc(Br)cc3)c(=O)[nH]2)CC1
d. Cc1cc(C)n2cc(CSc3ccc(Cl)cc3)nc2n1
Answer: d
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}