Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
(a) O=[N+]([O-])C(Br)Br
(b) CCOC(=O)CC(=O)NP(=O)(OC)SC
(c) CCOC(=O)C(=O)OCC
(d) C=CCOC(=O)C1CC2OC2CC1C
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}