Using CCOC(=O)c1nc(C)c2c(-c3ccc(OC)cc3)noc2c1O, CC(C)(C)C(=O)Cl to produce CCOC(=O)c1nc(C)c2c(-c3ccc(OC)cc3)noc2c1OC(=O)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.