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. CCN(CC)CCC(CC=C(C)C)(C(N)=O)c1cccc2ccccc12
b. CCOC(=O)CCCOc1ccc(Cl)cc1C
c. Cc1ccc2[nH]nnc2c1
d. COc1ccc2cc(C(C)C(=O)O)ccc2c1
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}