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 additional words.
Options:
a.) CCN(CCO)c1cccc(C)c1
b.) CN(C)C(=O)NC1CC2CC1C1CCCC21
c.) CNC(=O)Oc1cc(C)c(N(C)C)cc1C(C)C
d.) CC(C)OP(=S)(CCl)Sc1ccc(Cl)cc1
e.) COC(=O)c1ccccc1C(=O)OC
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}