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 additional words.
Options:
a. COC(=O)NC(=S)Nc1ccccc1NC(=S)NC(=O)OC
b. CC1CCCCOC1=O
c. Cc1cccc(C)c1N(COCC(C)C)C(=O)CCl
d. CCN(C)CCC(CC=C(C)C)(C(N)=O)c1cccc2ccccc12
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}