Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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] CN1C(=O)CN=C(c2ccccc2F)c2cc(Cl)ccc21
[b] CCCCCCCCCCCCN1CCN(CC(=O)NN=Cc2ccc([N+](=O)[O-])o2)CC1
[c] ClCC(Cl)CCl
[d] CC(C)c1[nH]c2ccccc2c1C(=N)c1cccnc1
[e] c1cncc(C2=NCCC2)c1
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}