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) O=C1OCCO1
b) CNC(=O)ON=C1CCCC1(C)C#N
c) CCCOP(=S)(OCC(C)C)Oc1cnn(C)c(=O)c1OC
d) CCOC(C1=NCC(C)(CC)CN1)c1ccc(Cl)cc1
Answer: d
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}