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, d, or e without using any other words.
Options:
a OCC1OC(n2cnc3c(NCC(c4ccccc4)c4ccccc4)ncnc32)C(O)C1O
b CCCCC(CC)COC(=O)COc1ccc(Cl)cc1Cl
c CCOc1cc(OCC)c(C(=O)CCC(=O)O)cc1OCC
d C=CC1OCC2(CO1)COC(C=C)OC2
e CNC(=S)NNc1cc(C(F)(F)F)cc(C(F)(F)F)c1
Answer: b
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}