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, or d without using any other words.
Options:
[a] CCOP(=S)(OCC)SCC(N)=O
[b] CC1COC(C(Cl)CCl)O1
[c] CC(=O)SCC(=O)Nc1nc2ccccc2s1
[d] CCSP(=O)(CCl)SCC
Answer: b
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}