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, d, or e without using any other words.
Options:
a. COc1ccc(Oc2ccc(NC(=O)N(C)C)cc2)cc1
b. OCC1CCCCO1
c. NCc1cccc(CN)c1
d. CCN1CCCC1CNC(=O)c1cc(Cl)cc(Cl)c1OCc1ccccc1
e. CCSC(=O)Oc1c(C(C)CC)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}