Using CCCc1nc2c(Cl)ccnc2[nH]1, COC(=O)c1ccccc1-c1ccc(CBr)cc1 to produce CCCc1nc2c(Cl)ccnc2n1Cc1ccc(-c2ccccc2C(=O)OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.