Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) CNC(=O)Oc1cccc2c1OCC2
b) C(=NC1CCCCC1)=NC1CCCCC1
c) C=CCOC(=O)CCCCCCC
d) CCN(CC)c1nc(C)cc(OP(=S)(OC)OC)n1
e) Nc1ccc(N=Nc2ccccc2)c(N)c1
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}