Using CCN(O)CC, ClCc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1)=NC2 to produce CCN(CC)Cc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1)=NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.