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 additional words.
Options:
a) CCCSP(=S)(OCC)Oc1ccc(Cl)cc1Cl
b) Clc1cc2c(cc1Cl)Oc1cc(Cl)c(Cl)cc1O2
c) CC(=O)Nc1ccc(C(=O)CCl)cc1
d) CNC(=O)N(O)c1ccccc1
e) Oc1cccc2ccccc12
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}