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, or c without using any additional words.
Options:
(a) CCCOc1ccccc1-c1nc(=O)c2[nH]nnc2[nH]1
(b) N=C1C=CC(=C(c2ccc(N)cc2)c2ccc(N)cc2)C=C1
(c) CCCCCCCCCCCCNC(=N)N
Answer: a
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}