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, or c without using any additional words.
Options:
a) Cl.c1ccc(CNc2nc(N3CCN(Cc4ccccc4)CC3)nc3ccccc23)cc1
b) CCc1noc(C)c1C(=O)N1CCN(S(=O)(=O)c2ccc(Cl)cc2)CC1
c) CCOC(=O)C(=CNc1cc(C)nn1-c1ccccc1)C(=O)OCC
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}