Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CC(C)NCC(O)COc1cccc2[nH]ccc12
b) C#CCOCC#C
c) N#CSCCSC#N
d) Cc1cccc(Nc2ccccc2C(=O)O)c1C
e) CC(=O)OCCN(CCOC(C)=O)N=O
Answer: b
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}