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, or d without using any other words.
Options:
[a] CCOc1nnc(CSP(=S)(OC)OC)s1
[b] CC(N)C(O)c1ccccc1
[c] COP(=S)(OC)SC(SP(=S)(OC)OC)c1ccccc1
[d] COP(=S)(OC)Oc1ccc(C#N)c(C)c1
Answer: c
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}