Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: CC(=O)Nc1cccc(NC(C)=O)c1
b: COc1ccc(OC(=O)C=C(C)OP(=O)(OC)OC)cc1
c: CCOc1nnc(CSP(=O)(OCC)OCC)s1
d: CCC(C)c1cccc(OC(=O)NC)c1
e: N#Cc1cc([N+](=O)[O-])ccc1N
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}