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, or c without using any other words.
Options:
a) Cc1ccc(C)c(S(=O)(=O)N2CCN(C(=O)c3cc(-c4cccs4)nn3-c3ccccc3)CC2)c1
b) Cc1ccc(Nc2nc(NCCCN3CCOCC3)nc(N)c2[N+](=O)[O-])cc1
c) COc1ccc(CN2CCCC(C(=O)N3CCCCC3)C2)cc1.O=C(O)C(=O)O
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}