Using CCOC(=O)c1ccc(O)c(F)c1, CC(C)(C)OC(=O)N1CCN(CCCO)CC1 to produce CCOC(=O)c1ccc(OCCCN2CCN(C(=O)OC(C)(C)C)CC2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.