Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES CCCC(C)C1(CC)C(=O)NC(=S)NC1=O a hERG blocking compound?
Constraint: Even if you are uncertain, you must pick either a or b without using any additional words.
Options:
a. True
b. False
Answer: a
Task: Please answer the multiple choice question.
Question: Is the molecule with the {SMILES__description} {#representation of |!}{SMILES#} a {herg_blocker__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2%aA1} without using any {#other|additional!} words.
Options:
{herg_blocker%}
Answer: {%multiple_choice_result}
5-ethyl-5-pentan-2-yl-2-sulfanylidene-1,3-diazinane-4,6-dione