Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) COc1ccc([N+](=O)[O-])cc1CNCCO
b.) c1ccc(-c2cccc(-c3ccccc3)c2)cc1
c.) CCC(C)c1ccccc1O
d.) CCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
e.) CNC(=O)N(C)c1nnc(C(F)(F)F)s1
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}