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: CCOC(C1=NCC(O)CN1)c1ccccc1
b: COc1cc(C#N)ccc1OP(=S)(OC)OC
c: COc1ccc2cc(CCC(C)=O)ccc2c1
d: Fc1cc(F)c(F)c(F)c1F
e: NC(=O)Nc1ccccc1
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}