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] CCOP(=S)(OCC)SCSc1ccc(Cl)cc1
[b] O=C(O)c1cc(Cl)ccc1O
[c] CCCCOP(=O)(OCCCC)Oc1ccccc1
[d] O=C(O)CCC(NC(=O)COc1ccc(Cl)cc1Cl)C(=O)O
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}