Using NC(N)=NC(=O)c1ccc2c3ccccc3n(CCOCc3ccccc3)c2c1 to produce NC(N)=NC(=O)c1ccc2c3ccccc3n(CCO)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.