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) Cc1ccc(C)c(Cn2c3ccccc3c3cnn(CC(=O)NCCCN4CCCCC4)c(=O)c32)c1
b) CCOC(=O)c1cnc2nc(C)[nH]n2c1=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}