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 other words.
Options:
a: CNC(=O)Oc1ccccc1OC(CCl)OC
b: COc1ccc(C=O)cc1
c: CCOC(C1=NCC(C)(C)CN1)c1ccccc1Cl
d: CCNCc1cc([N+](=O)[O-])ccc1O
Answer: d
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}