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=S(=O)(F)C1CCC(S(=O)(=O)F)C1
b. CCOC(=O)C(C)Oc1ccc(Oc2nc3ccc(Cl)cc3s2)cc1
c. CC(Cc1ccccc1)NCCC(c1ccccc1)c1ccccc1
d. CN1CCN(C2=Nc3ccccc3Oc3ccc(Cl)cc32)CC1
e. CCn1c(=O)c2ccccc2n(-c2cccc(C(F)(F)F)c2)c1=O
Answer: d
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}