Using CCC(=O)C(O)(Cc1ccc(Cl)cc1Cl)c1cccnc1, OCCO to produce CC1(CC(O)(Cc2ccc(Cl)cc2Cl)c2cccnc2)OCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.