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, or d without using any additional words.
Options:
a.) O=C(O)c1ccccc1OP(=O)(O)O
b.) CC(C)c1cccc(C(C)C)c1N
c.) O=C(O)c1cc(Cl)cc([N+](=O)[O-])c1Cl
d.) CCCCCCc1ccccc1O
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}