Using COc1cccc(C(=O)Nc2ccc(OCCN)c(-c3ccnn3C)c2)c1, CC(=O)Cl to produce COc1cccc(C(=O)Nc2ccc(OCCNC(C)=O)c(-c3ccnn3C)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.