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 or b without using any other words.
Options:
a: O=C(CN1CCC(NC(=O)Nc2ccccc2)CC1)Nc1ccc([N+](=O)[O-])cc1
b: Cc1nn(Cc2ccccc2)c(C)c1C(=O)NCCN1C(=O)S/C(=C\c2ccccc2)C1=O
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}