Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
(a) CCOc1ccc(C=O)cc1
(b) COc1ccccc1C=O
(c) Nc1ccc(S(=O)(=O)O)c2cccc(O)c12
(d) O=C(O)Cn1c(=O)n(Cc2ccc(Br)cc2F)c(=O)c2ccc(F)cc21
Answer: b
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}