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 additional words.
Options:
a. O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)C(Cl)Cl
b. c1ccc(Nc2ccc(Nc3ccccc3)cc2)cc1
c. CC1=NN(c2ccccc2)C(=O)C1
d. CNCCCN1c2ccccc2CCc2ccccc21
e. CC(C)c1c(C(=O)c2cccnc2)c2ccccc2n1C
Answer: d
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}