Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] O=C(O)c1cc2ccccc2c(Cc2c(O)c(C(=O)OCCOCCN3CCN(C(c4ccccc4)c4ccc(Cl)cc4)CC3)cc3ccccc23)c1O
[b] OC1(c2ccc(Cl)c(Cl)c2)c2ccccc2C2=NCCN21
[c] O=c1n(CC2CO2)c(=O)n(CC2CO2)n1CC1CO1
[d] CN(C)C(=O)C(c1ccccc1)c1ccccc1
[e] CCC1(c2ccccc2)C(=O)NCNC1=O
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}