Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) Cc1cc(=O)n(-c2ccccc2)n1C
b.) CNC(=O)ON=C1C(Cl)C2CC(C#N)C1C2
c.) O=C(NC1CCCCC1)NS(=O)(=O)c1ccc(Cl)cc1
d.) COc1nccnc1NS(=O)(=O)c1ccc(N)cc1
e.) NCc1cc(=O)[nH]o1
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}