Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) C1CCC(N2CCOCC2)CC1
b.) OC1(c2cccc(Cl)c2)c2ccccc2C2=NCCN21
c.) Clc1ccc2c(c1)C(N1CCNCC1)=Nc1ccccc1O2
d.) O=C1OC(C(O)CO)C(O)=C1O
e.) CCNc1nc(NCC)nc(OC)n1
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}