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. CCCOP(=S)(CC)SCOc1ccc(Cl)cc1Cl
b. CNC(=O)Oc1ccccc1C(C)C
c. CCc1ccccc1N
d. CCOP(=S)(Oc1c(OC)cnn(C)c1=O)OC(C)C
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}