Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) CCOC(=O)C1C(C=C(C)C)C1(C)C
b.) COc1ccc(-c2nc3cc(C4=NNC(=O)CC4C)ccc3[nH]2)cc1
c.) NS(=O)(=O)c1cc2c(cc1Cl)N=CNS2(=O)=O
d.) CN(C)P(=O)(F)N(C)C
e.) CC1=NN(c2ccccc2)C(=O)C1=CN1CCOCC1
Answer: c
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}