Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
(a) CCOP(=S)(CC)Oc1cnn(C)c(=O)c1OC
(b) CCOP(=S)(CC)Sc1ccc(Cl)cc1
(c) COP(=S)(OC)Oc1cc(Cl)c(Cl)cc1Cl
(d) CCN(CC)CCNC(=O)c1ccc(N)cc1
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}