Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(c1ccc2ccccc2c1)C1CCCN(S(=O)(=O)c2cccnc2)C1
b. CCN1CCN(c2nc(Nc3cccc(C)c3)nc(N)c2[N+](=O)[O-])CC1
c. COc1cccc2cc(C(=O)NCc3ccccc3Br)c(=O)oc12
d. COc1ccc(S(=O)(=O)N2CCN(CC(=O)Nc3ccc(F)c(F)c3)CC2)cc1
Answer: b, 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}