Using CCOC(=O)C(NC=O)C(=O)OCC, BrCc1cccc2cccnc12 to produce CCOC(=O)C(Cc1cccc2cccnc12)(NC=O)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.