Using C#CCOC, CC(C)Oc1cc(OCCCCl)cc2ncnc(Nc3c(Cl)cc(I)c4c3OCO4)c12 to produce COCC#Cc1cc(Cl)c(Nc2ncnc3cc(OCCCCl)cc(OC(C)C)c23)c2c1OCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.