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] O=C1CCCC2C3CC(CN12)C1CCCCN1C3
[b] CCCCCOC(C)=O
[c] CCCN(CCC)C(=O)C(CCC(=O)NCCCOC(=O)Cc1c(C)n(C(=O)c2ccc(Cl)cc2)c2ccc(OC)cc12)NC(=O)c1ccccc1
[d] CN(C)CC1CCCCC1
[e] COP(=S)(OC)SCCNC(C)=O
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}