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 COCC(O)Cn1ccnc1[N+](=O)[O-]
b CCC1(C)C(=O)N(CC2CO2)C(=O)N1CC1CO1
c C=CC(=O)OCC(CC)CC
d ClCCN(CCCl)CCCl
e CC(O)CCC(C)O
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}