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) O=S(=O)(O)c1ccc2ccccc2c1
(b) O=S1(=O)CCCO1
(c) Cc1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
(d) CC(C(=O)Nc1cc(-c2ccccc2)nn1-c1ccccc1)N(C)C
(e) CCOC(=O)c1ccccc1O
Answer: a
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}