Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) Cc1cccc(NC(=O)CN2CCN(CC(=O)Nc3cccc(C)c3)CC2)c1
b) CC(C)Nc1ncnc2c1cnn2-c1ccccc1
c) Cc1ccc(NS(=O)(=O)c2cc(C(=O)Nc3cccnc3)ccc2C)cc1
d) Cn1ncc([N+](=O)[O-])c1C(=O)Nc1ccc(-c2nc3ccccc3o2)cc1
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}