Using CC(C)(C)OC(=O)NCCO, CC(C)c1ccc(CNc2ncccc2C(=O)Nc2ccc(Cl)cc2)c(O)c1 to produce CC(C)c1ccc(CNc2ncccc2C(=O)Nc2ccc(Cl)cc2)c(OCCNC(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.