Using CCO, Cc1ccc2c(c1)nc(N)c1ncc(C#Cc3ccc4[nH]ccc4c3)cc12 to produce Cc1ccc2c(c1)nc(N)c1ncc(CCc3ccc4c(c3)CCO4)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.