Using CCOC(=O)CN(Cc1c(C(=O)OCC)c(Cl)c(Cl)n1CCC(C)C)C(=O)OC(C)(C)C to produce CCOC(=O)c1ncc2c(c1O)c(Cl)c(Cl)n2CCC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.