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 additional words.
Options:
a) N#CCO
b) CC(C)OP(C)(=O)F
c) CCc1nc(N)nc(N)c1-c1ccccc1
d) O=[N+]([O-])C(F)(COCC(COCC(F)([N+](=O)[O-])[N+](=O)[O-])(N(F)F)N(F)F)[N+](=O)[O-]
e) Clc1ccc(Sc2cc(Cl)c(Cl)cc2Cl)cc1
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}