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 other words.
Options:
a) CC(C)NC(=O)N1CC(=O)N(c2cc(Cl)cc(Cl)c2)C1=O
b) Nc1ccc(N=Nc2ccc(S(=O)(=O)O)cc2)cc1S(=O)(=O)O
c) CCCCOC(=O)C1CC1OCCCC
d) Cc1ncc2n1-c1ccc(Cl)cc1C(c1ccccc1F)=NC2
e) CCOP(=O)(CC)SC
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}