Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a COc1ccccc1OCC1CNC(=O)O1
b NCCNCCNCCN
c CCCC(=O)OC(=C(Cl)Cl)P(=O)(OC)OC
d Clc1nc(Cl)nc(Nc2ccccc2Cl)n1
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}