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, or d without using any other words.
Options:
a: CCOC(=O)C1=CN(C(C)=O)C2CCCC(C)N2C1=O
b: CN1CCN(C2=Nc3cc(Cl)ccc3Nc3ccccc32)CC1
c: CCCCN(COC(C)=O)N=O
d: CCOP(=O)(OP(=O)(OCC)N(C)C)N(C)C
Answer: c
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}