Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a. CNC(=O)ON=C1C(Cl)C2CC(C#N)C1C2
b. CCCCCCCCOC(=O)C1=C(C)NC(C)=C(C(=O)NC2CC2)C1c1ccccc1[N+](=O)[O-]
c. O=C(Cc1cccs1)NC1C(=O)N2C(C(=O)[O-])=C(C[n+]3ccccc3)CSC12
d. CC=CCOC(CC)OCC=CC
e. O=CCCCC(O)C=O
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}