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 other words.
Options:
a) Brc1ccc(-c2ccc(Br)c(Br)c2Br)c(Br)c1Br
b) CCS(=O)CCSP(=S)(OC)OC
c) OCC1OC(OC2C(CO)OC(O)C(O)C2O)C(O)C(O)C1O
d) CCOP(=S)(OCC)SCSC(C)(C)C
e) O=NN(CCCl)C(=O)NC1CCCCC1
Answer: e
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}