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 CCCCON(OC(C)=O)C(=O)c1ccc(Br)cc1
b CC(C)c1cc(N)c([N+](=O)[O-])cc1N
c N#Cc1ccc(CO)cc1
d O=C(CBr)NCc1ccccc1
Answer: a, b, d
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}