Using COCCCn1cc(Cl)c2ccc(CN(C(=O)[C@H]3CNCCO3)C3CC3)cc21 to produce COCCCn1ccc2ccc(CN(C(=O)[C@H]3CNCCO3)C3CC3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.