Task: Please answer the multiple choice question.
Question: Which molecules are not carcinogenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCOc1ccc2c(c1)C(C)=CC(C)(C)N2
[b] C[N+]1(C)C[C@@H](O)C[C@H]1C(=O)[O-]
[c] COc1ccc(CC2c3cc(OC)c(OC)cc3CCN2C)cc1OC
[d] O=C1OC(CN2CCOCC2)CN1/N=C/c1ccc([N+](=O)[O-])o1
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {carcinogen#not &NULL}{carcinogen__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%carcinogen%}
Answer: {%multiple_choice_result}