Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a CN1CCN(CCC=C2c3ccccc3Sc3ccc(S(=O)(=O)N(C)C)cc32)CC1
b CCOC(=O)C1CC2C=CC1C2
c COc1ccc2c(c1)c(CC(=O)Oc1ccc(NC(C)=O)cc1)c(C)n2C(=O)c1ccc(Cl)cc1
d COc1ccccc1NC(=O)CNC(=O)Cc1ccc(C(=O)c2ccc(C)cc2)n1C
e OC(c1ccc(Cl)cc1)(c1ccc(Cl)cc1)c1cccnc1
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}