Using CCCc1cc(C(=O)OCC)n[nH]1, CC(C)(C)OC(=O)c1ccc(CBr)cc1 to produce CCCc1cc(C(=O)OCC)nn1Cc1ccc(C(=O)OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.