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. CN/C(=C/[N+](=O)[O-])NCCSCc1csc(CN(C)C)n1
b. c1cncc(C2=NCCC2)c1
c. CC[C@]12CCCN3CCc4c(n(c5ccccc45)[C@](O)(C(=O)OC)C1)[C@@H]32
d. O=NCNc1ncnc2[nH]cnc12
Answer: a, b, c
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}