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: NS(=O)(=O)c1ccc(CCNC(=O)C(=O)NCC2OCCN2S(=O)(=O)c2cc(F)ccc2F)cc1
b: CN(Cc1ccccc1)C(=O)COC(=O)C1CCN(S(=O)(=O)c2cccs2)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}