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, d, or e without using any additional words.
Options:
(a) C=CCN(C(=O)Cn1nc(C)ccc1=O)C(C)Cc1ccccc1
(b) COCC(C)=O
(c) O=C(c1ccccc1)c1cccc2c1CCC2C(=O)O
(d) CSc1nc(-c2ccc(Cl)cc2)n(-c2ccc(Cl)cc2)n1
(e) O=CO
Answer: e
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}