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. O=C(C=Cc1ccccc1)OCC=Cc1ccccc1
b. CCCn1cnc2c1c(=O)n(CCCCC(C)=O)c(=O)n2C
c. CC(C(=O)O)c1ccc2c(c1)OCc1cc(Cl)ccc1C2=O
d. CCOc1ccc(Cl)cc1C(CN1CCCCC1)C(C)CC
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}