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) CN(c1ccc2c(O)c(N=Nc3ccc4c(S(=O)(=O)O)cccc4c3S(=O)(=O)O)c(S(=O)(=O)O)cc2c1)c1nc(Cl)nc(Cl)n1
(b) Clc1ccc(C(OCCN2CCCCC2)c2ccccc2)cc1
(c) Nc1c(I)cc(I)c(C(=O)N(CCC(=O)O)c2ccccc2)c1I
(d) CCCC1C2C=CC(C2)C1C=O
(e) CC(C)Nc1nc(Cl)nc(NC(C)C)n1
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}