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 additional words.
Options:
a) O=CC(Cl)(Cl)CCl
b) CC(CCl)OC(C)CCl
c) CCCOP(=S)(OCCC)OP(=S)(OCCC)OCCC
d) CCCCC(CC)COC(=O)C1=C(C(=O)OCC(CC)CCCC)CCCC1
e) O=C([O-])C(O)C(O)C(=O)[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}