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 other words.
Options:
a CCCCN(N=O)c1ccc(N(CCCC)N=O)cc1
b CCCOP(=O)(OCCC)Oc1cnn(C)c(=O)c1OC
c CCOC(=O)CCN(Cc1ccccc1)SN(C)C(=O)ON=C(C)SC
d CC(=O)c1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl
e Cc1c(N)cc([N+](=O)[O-])cc1[N+](=O)[O-]
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}