Using [N-]=[N+]=[N-], O=C1C2C=CC1N(OCCCCCCBr)C(=O)C2 to produce [N-]=[N+]=NCCCCCCON1C(=O)CC2C=CC1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.