Using COCCOS(C)(=O)=O, C#Cc1cccc(Nc2ncnc3cc(OC)c(O)cc23)c1 to produce C#Cc1cccc(Nc2ncnc3cc(OC)c(OCCOC)cc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.