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 CCNC(=O)C(C)OC(=O)Nc1ccccc1
b O=C(Cl)c1cccc(S(=O)(=O)Cl)c1
c CCOC(=O)N(c1cccc(C(=O)c2ccccc2)c1)S(=O)(=O)C(F)(F)F
d O=C(O)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
e Cc1cccc(N=NN(C)C)c1
Answer: e
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}