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] O=C(C[N+]12CC[N+](CC(=O)c3ccc(F)cc3)(CC1)CC2)c1ccc(F)cc1.[Cl-]
[b] C=CCn1c(O)c(C=NCCN(C)C)c(=O)[nH]c1=O
[c] O=C(Nc1cccc(S(=O)(=O)N2CCCCC2)c1)c1cc([N+](=O)[O-])ccc1N1CCOCC1
Answer: c
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}