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 other words.
Options:
(a) Nc1c(Br)cc(Br)cc1CNC1CCC(O)CC1
(b) COc1c2ccoc2cc2oc(C)cc(=O)c12
(c) COc1ccc(C=CC(=O)O)cc1O
(d) CNCC(O)c1cccc(O)c1
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}