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. CCCSP(C)(=S)SC(CC(=O)OCC)C(=O)OCC
b. CCCCC(CC)COC(C)=O
c. CCOC(=O)C1=CN(CC)C2CCCC(C)N2C1=O
d. CCCCC(CC)C(=O)O[Si](C)(OC(=O)C(CC)CCCC)OC(=O)C(CC)CCCC
e. Cc1nc(C)c(Cl)c(O)c1Cl
Answer: a
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}