Task: Please answer the multiple choice question.
Question: Which molecules are Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=Nc1ccc2ccccc2c1
b. CC(C)COC(=O)c1ccccc1N
c. O=C(O)c1cc(Cl)ccc1Cl
d. CC12CCC3c4ccc(O)cc4CCC3C1CCC2O
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {mutagenic#not &NULL}{mutagenic__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%mutagenic%}
Answer: {%multiple_choice_result}