Using COc1cc(OC)cc(C(=O)OCC2Cc3cc(OC)c(OC)cc3C(c3cc(OC)cc(OC)c3)=N2)c1 to produce COc1cc(OC)cc(C2=NC(CO)Cc3cc(OC)c(OC)cc32)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.