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) O=C1CSC(c2ccccc2[N+](=O)[O-])N1c1cccc(F)c1
b) O=C(c1ccco1)N1CCN(c2ncnc3scc(-c4cccs4)c23)CC1
c) c1ccc(CSc2ncnc3ccccc23)cc1
d) O=C(Nc1ccc(N2CCN(C(=O)c3ccco3)CC2)cc1)c1cccs1
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}