Using CCOC(=O)c1cn(CC)c2ccc(O)c(O)c2c1=O, COc1ccc(CCl)cc1 to produce CCOC(=O)c1cn(CC)c2ccc(OCc3ccc(OC)cc3)c(O)c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.