Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) CCC(=O)OC1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
b.) COP(=O)(OC)C(O)C(Cl)(Cl)Cl
c.) Cc1ccc(C2=CCN(CCC(=O)c3ccc4c(c3)CCC(=O)N4)CC2)cc1
d.) CCCCN1C(=O)C2C3C=C(C(O)(c4ccccc4)c4ccccn4)C(C3=C(c3ccccc3)c3ccccn3)C2C1=O
e.) COc1ccc(S(=O)(=O)Nc2nnc(CC(C)C)s2)cc1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}