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) CP(=S)(OCCCCCl)Oc1ccc([N+](=O)[O-])c(C(F)(F)F)c1
(b) N#CC(OC1OC(CO)C(O)C(O)C1O)c1ccccc1
(c) CCOP(=S)(OCC)Oc1ccc([N+](=O)[O-])cc1Cl
(d) COC1CC2CC1C1CC(C=O)CC21
Answer: a
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}