Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a.) O=C1OC(=O)c2ccc(Cl)c3cccc1c23
b.) CCCCCCC(C=O)=Cc1ccccc1
c.) COc1c(OP(=S)(NC(C)C)OC)cnn(C)c1=O
d.) CC(=O)Oc1cc(C(C)C)c(OCCN(C)C)cc1C
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}