Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a. COc1cc(C(=S)N2CCOCC2)cc(OC)c1OC
b. O=c1c2ccccc2n(-c2cccc(C(F)(F)F)c2)c(=O)n1CCO
c. CCOC(=O)c1cnc2n(c1=O)C(C)CCC2
d. O=C1OC(C(O)CO)C(O)=C1O
e. COc1ccc2c(c1)c(CC(=O)Oc1ccc(NC(C)=O)cc1)c(C)n2C(=O)c1ccc(Cl)cc1
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}