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, d, or e without using any additional words.
Options:
(a) C#CC1(OC(C)=O)CCCCC1C(C)CC
(b) COP(=O)(Oc1cc(Cl)c(Br)cc1Cl)c1ccccc1
(c) C=CCOC(=O)CC(SP(=S)(OC)OC)C(=O)OCC(C)SP(=S)(OC)OC
(d) O=[N+]([O-])c1ccc(C=NNC(=S)N2CCCC2)o1
(e) CCOC(OCC)OCC
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}