Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCN(CC(=O)Nc1ccccc1C(=O)Nc1ccccc1)Cc1nc2ccccc2c(=O)[nH]1
b.) CC(=O)Nc1cccc(NC(=O)c2cccc3cccnc23)c1
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}