Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a. CCC(=O)c1ccc2c(c1)N(CCCN(C)C)c1ccccc1S2
b. Clc1cc(Cl)c2nsnc2c1Cl
c. NS(=O)(=O)c1cc(Cl)c(Cl)c(S(N)(=O)=O)c1
d. CCOC(=O)C(CC)(C(=O)NCCN(CC)CC)c1ccccc1
e. O=[N+]([O-])c1cccc(Cl)c1
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}