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(=O)C(c1c(O)c2ccccc2oc1=O)c1c(O)c2ccccc2oc1=O
b CC1(C)Cc2cccc(OC(=O)NCSc3ccc(Cl)cc3)c2O1
c ClC1=C(Cl)C2(Cl)C(CBr)CC1(Cl)C2(Cl)Cl
d O=C(OCC(O)C1COc2ccccc2O1)N1CCOCC1
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}