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 additional words.
Options:
[a] CCNc1nc(NC(C)C)nc(OC)n1
[b] CCC(=C(c1ccc(OCCN(C)C)cc1)c1ccc(OP(=O)(O)O)cc1)c1ccc(C(C)C)cc1
[c] CC(Cc1ccccc1)NCCC(c1ccccc1)c1ccccc1
[d] CS(=O)(=O)c1ccc(-c2cn3ccccc3n2)cc1
[e] CCOc1ccc(-c2ccccc2)cc1CN1CCCC1
Answer: c
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}