Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) CCc1cc2c(s1)-n1c(C)nnc1CN=C2c1ccccc1Cl
(b) O=c1c2ccccc2n(-c2cccc(C(F)(F)F)c2)c(=O)n1CCO
(c) Nc1ncnc2c1ccn2C1OC(CO)C(O)C1O
(d) CC(C(N)=O)(c1ccccc1)c1ccc(N)cc1
(e) Nc1ccc(Cc2ccc(N)cc2)cc1
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}