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 other words.
Options:
a: COc1cc2c(cc1NC(=S)Nc1cccc3ccccc13)oc1ccccc12
b: CC(=O)N1CCN(CC(=O)Nc2ccc([N+](=O)[O-])cc2Br)CC1
c: Cc1cccnc1N(C(=O)Nc1cccc(Cl)c1)C1=NCC(C)(C)S1
d: CN1CCCCc2c1nc1ccccc1c2N.O=C(O)c1cncc(Br)c1
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}