Using Cc1cccc(Oc2ccc(C3CNCCO3)cc2)c1C, CC(C)(C)OC(=O)CCCBr to produce Cc1cccc(Oc2ccc(C3CN(CCCC(=O)OC(C)(C)C)CCO3)cc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.