Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) COP(=O)(OC)SC(P(=O)(OC)OC)=P(OC)(OC)OC
b) C1CC2CC1C1SSSC21
c) O=[N+]([O-])c1cc(Br)c2nc(C(F)(F)F)[nH]c2c1
d) O=NN1CCCCCC1
e) COC(C)CC(CC(OC)OC)OC
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}