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] O=c1c(O)c(-c2ccc(O)cc2)oc2cc(O)cc(O)c12
[b] CCCCCNN
[c] O=NCNc1ncnc2[nH]cnc12
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}