Using COC(=O)c1coc(-c2cccc(C3=Nc4ccc(-n5cccc5)cc4NC(=O)C3)c2)n1 to produce O=C1CC(c2cccc(-c3nc(CO)co3)c2)=Nc2ccc(-n3cccc3)cc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.