Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) Cc1ccc(N=CN(C)SN(C)C=Nc2ccc(C)cc2C)c(C)c1
b.) CC1(C)C2CCC1(C)C(OC(=O)CSC#N)C2
c.) CC(C)Cl
d.) CCCC(C)COCCOCCO
e.) CCC1(c2ccccc2)NC(=O)N(C)C1=O
Answer: d
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}