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, d, or e without using any other words.
Options:
a CN(Sc1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl)C(=O)Oc1cccc2c1OC(C)(C)C2
b O=C(CN1CCNCC1)NN=Cc1ccc([N+](=O)[O-])o1
c CN(C)CCOCCN(C)C
d CC(C)(C)C(O)C(=Cc1ccc(Cl)cc1)n1cncn1
e CCCC(=O)CCC
Answer: c
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}