Using Cc1nc(CCc2conc2-c2ccccn2)sc1C(=O)O, NC1CCOCC1 to produce Cc1nc(CCc2conc2-c2ccccn2)sc1C(=O)NC1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.