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 additional words.
Options:
a. CCCCCCOC(=O)CC#N
b. O=C(OC1CCC(N2CCCCC2)CC1)c1ccc([N+](=O)[O-])cc1
c. CCC(C)(C)OC(=O)Nc1ccco1
d. CCCCN
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}