Using CCOC(=O)C(C)Cc1c(Cl)nc(C)nc1Nc1c(C)cc(C)cc1C to produce Cc1cc(C)c(N2C(=O)C(C)Cc3c(Cl)nc(C)nc32)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.