Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a CSc1ccc(OP(C)(C)=S)cc1C
b COP(=O)(OC)OC(c1ccc(Cl)cc1)P(=O)(OC)OC
c Nc1ccc([N+](=O)[O-])cc1
d CC(C)(Oc1ccccc1)C(=O)OCCN1CCOCC1
e NC(=O)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1
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}