Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COc1cc(/C=N\NC(=O)c2ccc(Cn3nc([N+](=O)[O-])c(Cl)c3C)o2)ccc1O
b.) COc1nc(N)c(S(=O)(=O)c2ccccc2)cc1C#N
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}