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: CCOP(=S)(OCC)OCCS(=O)(=O)CC
b: CCCCCCCCN1CCCC1=O
c: CCOP(=O)(OCC)Oc1cc(C)n(CC)c(=O)c1
d: NCCCOCCCCOCCCN
e: CN1CSC(=S)N(C)C1
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}