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 CC1=NN(c2ccc(C)cc2)C(=O)C1
b C1=CC2CCC1C2
c COc1ccccc1N1CCN(CCCc2ccc3c(c2)CCC(=O)N3)CC1
d O=C(O)Cc1ccc(C2CCCCC2)c(Cl)c1
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}