Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CC(=O)Nc1nc(SCC(=O)NCc2ccc(F)cc2)[nH]c(=O)c1NC(=O)c1cccs1
b.) CN(Cc1nc(-c2ccncc2)no1)S(=O)(=O)c1ccc(Br)cc1
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}