Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a: CCOP(=O)(N=C1SCCS1)OCC
b: Cc1nc([N+](=O)[O-])cn1-c1ccc([N+](=O)[O-])cc1
c: CC(C)(C)c1cc(CN2CCN(Cc3cc(C(C)(C)C)c(O)c(C(C)(C)C)c3)CC2)cc(C(C)(C)C)c1O
d: CCOP(=S)(N=C1SCCS1)OCC
e: O=c1[nH]ncc2ccccc12
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}