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) O=C(Cc1cccs1)NC1C(=O)N2C(C(=O)[O-])=C(C[n+]3ccccc3)CSC12
b) Cc1ccc(S(=O)(=O)NC(=O)NN2CC3CCCC3C2)cc1
c) OCC(O)C(O)C(O)C(O)CO
d) CNC=O
e) Clc1ccc2ocnc2c1
Answer: b
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}