Using COC(=O)C(C)=O, Cc1oc(-c2ccccc2)nc1Cc1cccc(CC(CO)CO)c1 to produce COC(=O)C1(C)OCC(Cc2cccc(Cc3nc(-c4ccccc4)oc3C)c2)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.