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. COc1ccc2nc(C)cc(SCC(=O)N/N=C/c3ccco3)c2c1
b. O=C(CN1CCN(Cc2ccccc2)CC1)Nc1cccc(Cl)c1
c. CC(C)CC(NC(=O)c1ccc(Cl)cc1Cl)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}