Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) Nc1ccc(N=Nc2ccc(S(=O)(=O)O)cc2)cc1S(=O)(=O)O
b) CC(O)CCO
c) CCCCCCCCCCCCCCCCCCO
d) FC(F)(F)c1nc2c(Cl)c(Br)c(Br)c(Br)c2[nH]1
e) CNCCCC1c2ccccc2C=Cc2ccccc21
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}