Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a. O=NN(CCCl)C(=O)NCCCl
b. CN1CN(CCO)CSC1=S
c. CC(C)=CCCC(C)=CC=O
d. c1ccc(-c2ccccc2-c2ccccc2)cc1
e. NCCCNCCCN
Answer: a
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}