Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
[a] O=P(N1CC1)(N1CC1)N1CC1
[b] CC(C(=O)O)c1ccc2oc(-c3ccc(Cl)cc3)nc2c1
[c] CCOc1ccc2c3c1OC1C(O)C=CC4C(C2)N(C)CCC341
[d] O=[N+]([O-])c1cc2c(ccc3ccccc32)o1
[e] S=c1[nH]c2ccccc2[nH]1
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}