Using COc1ccc(CCl)cc1, COc1ccc(COc2c[nH]c(CO)cc2=O)cc1 to produce COc1ccc(COc2cnc(CO)cc2OCc2ccc(OC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.