Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCN(CC)CCN(C(=O)c1ccc2c(c1)OCCO2)c1nc2c(Cl)cccc2s1.Cl
[b] N#Cc1cc2c(nc1SCC(=O)Nc1sc3c(c1C#N)CCC3)CCCC2
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}