Using CCOC(=O)N1CCC2C(C1)c1cc(-c3ccc(Cl)cc3Cl)cc3c1N2CC(C)N3C(=O)OCC to produce CC1CN2c3c(cc(-c4ccc(Cl)cc4Cl)cc3C3CNCCC32)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.