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) CCOP(=S)(OCC)SCn1nc(Cl)ccc1=O
(b) COP(=S)(OC)Oc1ccc(C#N)cc1C
(c) CCOP(=O)(OCC)Oc1ccc(Cl)cc1Cl
(d) COP(=S)(OC)Oc1ccc([N+](=O)[O-])c(C)c1
(e) CCOP(=S)(OCC)Oc1cc(C)nc2ccccc12
Answer: e
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}