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 other words.
Options:
a O=C(c1ccccc1)C(O)c1ccccc1
b Cc1cn(C2CC(O)C(CO)O2)c(=O)[nH]c1=O
c Cc1c([N+](=O)[O-])cc(N)cc1[N+](=O)[O-]
d CCN(CC)c1cccc(O)c1
Answer: c, 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}