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 additional words.
Options:
(a) CNC(=O)ON=C(C)SCC(=O)N1CCCC1
(b) OC1(c2ccc(Cl)c(Cl)c2)c2ccccc2C2=NCCCCN21
(c) CCOCC(C)O
(d) COCCOCCOC(C)=O
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}