Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] S=C(Nc1cccc(Cl)c1Cl)N1CCCC1
[b] CCS(=O)(=O)N1CCCC(C(=O)NCCc2ccccc2)C1
[c] O=C(C[n+]1cccc(C(=O)N/N=C/c2ccc(Br)cc2)c1)c1ccccc1
[d] CCOc1ccc(S(=O)(=O)N2CCN(C(=S)NCc3ccco3)CC2)cc1
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}