Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CCCCC(CC)COC(CBr)c1ccc(C2CCCCC2)cc1
b) O=C(Nc1ccc(O)cc1)c1ccccc1O
c) CN(C)C(=O)C(CC[N+]1([O-])CCC(O)(c2ccc(Cl)cc2)CC1)(c1ccccc1)c1ccccc1
d) C(CC1CO1)OCCC1CO1
e) O=C1c2ccccc2C(=O)c2c(Nc3ccc(Oc4ccc(S(=O)(=O)O)cc4)cc3)ccc(Nc3ccc(Oc4ccc(S(=O)(=O)O)cc4)cc3)c21
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}