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, or c without using any additional words.
Options:
(a) COc1ccc(N2CCN(C(=O)c3ccc(SC)cc3OC)CC2)cc1
(b) CN1CCN/C1=C(/C(Cl)=C(Cl)Cl)[N+](=O)[O-]
(c) COc1cccc(CSc2nc3ccccc3[nH]2)c1
Answer: a
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}