Using O=C([O-])O, N#CCc1ccc(-c2ccc(OCCN3CCOCC3)cc2)cn1 to produce COC(=O)Cc1ccc(-c2ccc(OCCN3CCOCC3)cc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.