Using CCOC(=O)CBr, [N-]=[N+]=NC1CCCCc2ccccc2NC1=O to produce CCOC(=O)CN1C(=O)C(N=[N+]=[N-])CCCCc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.