Using O=C(CBr)OCc1ccccc1, [N-]=[N+]=NC1CCc2ccccc2NC1=O to produce [N-]=[N+]=NC1CCc2ccccc2N(CC(=O)OCc2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.