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] CCOC(C1=NCC(OC)CN1)c1ccccc1
[b] COc1c(Cl)ccc(Cl)c1C(=O)OCCN(CCOC(=O)c1c(Cl)ccc(Cl)c1OC)c1ccccc1
[c] O=c1[nH]c2cc(Cl)ccc2o1
[d] CC(=O)c1ccccc1[N+](=O)[O-]
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}