Using O=C1c2ccccc2C(=O)N1Cc1cc(Cl)ccc1O, Cc1cc(CO)on1 to produce Cc1cc(COc2ccc(Cl)cc2CN2C(=O)c3ccccc3C2=O)on1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.