Using COc1ccccc1Cn1c2c(c3cc(Cl)ccc31)CC(NC(=O)C(C)C)CC2 to produce CC(C)C(=O)NC1CCc2c(c3cc(Cl)ccc3n2Cc2ccccc2O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.