Using O=C(NCc1ccc(Cl)cc1)c1c(O)n2cc(C#CCOC3CCCCO3)ccc2nc1=O to produce O=C(NCc1ccc(Cl)cc1)c1c(O)n2cc(C#CCO)ccc2nc1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.