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) COP(=S)(OC)SCSc1ccccc1
(b) COC(=O)CCC(=O)OC1=C(C(=O)Nc2ccccn2)N(C)S(=O)(=O)c2cc(Cl)sc21
(c) O=C(O)COc1ccc(Cl)cc1
(d) O=[N+]([O-])c1ccc(Cl)c([N+](=O)[O-])c1
(e) CCCCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
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}