Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a. CCC(C)(C)c1ccc(OP(=O)(NC)OC)c(Cl)c1
b. CC(=O)Oc1cccc(Oc2ccc(C(F)(F)F)cc2Cl)c1
c. COP(C)(=S)Oc1ccc(Cl)cc1Cl
d. Nc1cccc(O)c1
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}