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 other words.
Options:
(a) Cc1c2ccncc2c(C)c2c1[nH]c1ccccc12
(b) Nc1ccc([N+](=O)[O-])c(N)c1
(c) CCCCCCOC(=O)c1ccccc1C(=O)OCCCCCC
(d) CC(=O)C1C(=O)C=C(C)OC1=O
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}