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) O=C1CNC(=S)N1
(b) CCCCCCOC(CBr)c1ccc(C2CCCCC2)cc1
(c) COc1ccccc1NC(=O)CC(=O)c1ccccc1
(d) COC(=O)C1CCc2cc(C3CCCCC3)ccc21
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}