Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a.) C=CCOC(=O)c1ccccc1C(=O)OCC=C
b.) CCCCOCCOC(=O)COc1cc(Cl)c(Cl)cc1Cl
c.) COC(=O)Nc1nc2cc(C(=O)c3ccccc3)ccc2[nH]1
d.) O=c1[nH]c2cc(Cl)c(Cl)cc2o1
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}