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 or b without using any additional words.
Options:
a. CC(=O)N1CCN(c2ccc(NC(=O)c3ccc([N+](=O)[O-])o3)cc2Cl)CC1
b. CCOC(=O)C1=C(N)N2C(=O)C(C)SC2=C(C(=O)OC)C1c1ccccc1OC
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}