Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
a) C=C(C)C(=O)OCC(CCCC)CCCCCC
b) CCC(C)C(C)(COC(N)=O)COC(N)=O
c) [O-][n+]1cc[n+]([O-])c2ccccc21
d) CC1CC=CCC1C=O
Answer: b
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}