Using CCOP(=O)(Cc1ccc(Cn2c(OC)nc3c(N)nc(OCCOC)nc32)cc1)OCC to produce COCCOc1nc(N)c2[nH]c(=O)n(Cc3ccc(CP(=O)(O)O)cc3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.