Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Fc1ccc(CN2CCCN(Cc3nc(-c4ccc5c(c4)OCO5)no3)CC2)cc1
b Cc1ccccc1NC(=O)c1ccc2c(O)c(S(=O)(=O)c3ccccc3)c(=O)[nH]c2c1
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}