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 additional words.
Options:
(a) NCCNCCNCCN
(b) CCOP(=O)(OCC)SCc1nnc(C)o1
(c) O=C(C(Cl)(Cl)Cl)C(Cl)(Cl)Cl
(d) C(COCC1CO1)OCC1CO1
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}