Using Cc1oc(-c2ccccc2)nc1COc1cccc(CO)c1, COC(=O)c1cncc(O)c1 to produce COC(=O)c1cncc(OCc2cccc(OCc3nc(-c4ccccc4)oc3C)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.