Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a. O=[N+]([O-])c1cc([N+](=O)[O-])c(F)cc1F
b. C1=CC=CCC=C1
c. CNC(=O)Oc1cc(C(C)C)c(OC(=O)NC)cc1C
d. CCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
e. CN(C)CCCC1c2ccccc2Nc2ccc(Cl)cc21
Answer: e
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}