Using COC(=O)C(C)(C)O, CC(c1cccc(OCCCN)c1)N1CCCC1 to produce CC(c1cccc(OCCCNC(=O)C(C)(C)O)c1)N1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.