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 additional words.
Options:
[a] CCCc1nc(C)cc(OP(=S)(OCC)OCC)n1
[b] COc1cc(C(=O)N2CCOCC2)cc(OC)c1OC
[c] C=CC(=O)OOCCOC
[d] BrC(Br)Br
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}