Using COc1ccccc1O, CC(C)(C)OC(=O)N1CC(c2nccnc2Cl)C1 to produce COc1ccccc1Oc1nccnc1C1CN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.