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) CCOP(=S)(OCC)Oc1cc(C)nc(N(CC)CC)n1
b) C=CCOC(=O)C(=C)C
c) O=C(Nc1ccc(Cl)cc1)c1cc(Cl)cc(-c2ccc(Cl)cc2)c1O
d) CCOC(O)C(Cl)(Cl)Cl
e) Cc1[nH]c(=O)n(C(C)(C)C)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}