Using CCOC(=O)c1ccc(NCCc2ccc3c(c2)N(C(C)C)CCC3(C)C)cc1 to produce CC(C)N1CCC(C)(C)c2ccc(CCNc3ccc(C(=O)O)cc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.