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: COC(=O)NC(=S)Nc1ccccc1NC(=S)NC(=O)OC
b: CC(=O)Nc1cc(Cl)ccc1Cl
c: CCN(CC)CCNC(=O)c1cc(Cl)c(N)cc1OC
d: N#Cc1ccc([N+](=O)[O-])cc1C#N
e: CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1cccc2c1OCO2
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}