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, or d without using any other words.
Options:
a. O=C(O)CCC(=O)c1ccc(C2CCCCC2)c(Cl)c1
b. CCC(C(c1ccc(Cl)cc1)c1ccc(Cl)cc1)[N+](=O)[O-]
c. CCOC(=O)C1CCc2cc(C3CCCCC3)ccc21
d. CC(c1ccc(Cl)c(Cl)c1)N1N=C(N)CC1=O
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}