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=C1C(Cc2ccccc2)C(=O)N(c2ccccc2)N1c1ccccc1
b. CCCCC(CC)CCC(C)N
c. CC(=O)OCCC1=CCC2CC1C2(C)C
d. CC(C)N(CCC(C(N)=O)(c1ccccc1)c1ccccn1)C(C)C
e. CCOP(=S)(Oc1cnn(-c2ccccc2)c(=O)c1OC)OC(C)C
Answer: c
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}