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=NN1CCN(N=O)CC1
(b) NNC(=O)OC1CC2CCC(C1)N2C(=O)Oc1ccccc1
(c) O=C1CC(N2C(=O)c3ccccc3C2=O)C(=O)N1
(d) N#CC(Cl)(Cl)CCl
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}