Using Cc1ccc(CNc2ccc3c(CO)cccc3n2)o1, Oc1ccccc1 to produce Cc1ccc(CNc2ccc3c(COc4ccccc4)cccc3n2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.