Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
a. FC(F)(F)c1nc2c(Cl)c(Cl)ccc2[nH]1
b. C=CC(=O)OCCCC
c. C=C(C)C(=O)OCC(CCCC)CCCCCC
d. COP(=O)(OC)OC=C(Br)Br
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}