Using CC(C)(C)N, O=C(c1ccc(OCCCCl)cc1)c1cccc2[nH]ccc12 to produce CC(C)(C)NCCCOc1ccc(C(=O)c2cccc3[nH]ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.