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] COc1ccc(CC(C)N(C)C(=O)Cn2nc(-c3ccccc3)ccc2=O)cc1OC
[b] COCCOC(C)OCCOC
[c] CC1(C)CCC(NC(=O)C(N)CCC(=O)O)CC1
[d] CNC(=O)ON=C(C)SC(C)C(N)=O
Answer: b
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}