Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. O=C(O)C(O)(c1ccccc1)C1CCCCC1
b. COP(=O)(OC)OP(=O)(OC)OC
c. CCOc1ccccc1N1CCN(CCCCc2ccc3c(c2)CCC(=O)N3)CC1
d. CC=CCl
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}