Task: Please answer the multiple choice question.
Question: Which molecules are not Ames mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COC1=C(OC)C(=O)C(C)=CC1=O
b. c1ccc2c(c1)Oc1ccccc1O2
c. Cc1ccc2c(C)cccc2c1
d. CC(Br)C(=O)NCc1ccccc1
Answer: a, b, c
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}