Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) Cc1ccnc(N)c1
b) FC(F)(F)c1cccc(C2CNCCO2)c1
c) CC(Oc1ccc(Oc2nc3ccc(Cl)cc3o2)cc1)C(=O)O
d) O=P(O)(O)CN(CP(=O)(O)O)CP(=O)(O)O
e) O=NN(c1cccc(C(F)(F)F)c1)c1ccccc1C(=O)O
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}