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) CNN=Nc1ccc(Br)cc1
(b) O=[N+]([O-])c1ccc(C=NO)cc1
(c) CCNCC(O)c1cccc(O)c1
(d) COP(=O)(OC)OC(C)=CC(=O)Oc1ccc(C)cc1
(e) CCOP(=S)(OCC)SCn1nc(Cl)c(C)cc1=O
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}