Using CCOC(=O)CBr, O=c1ccc(C(c2ccccc2)c2ccccc2)nn1CCC1CCCc2c(O)cccc21 to produce CCOC(=O)COc1cccc2c1CCCC2CCn1nc(C(c2ccccc2)c2ccccc2)ccc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.