Using COc1cc(Nc2ncc3c(n2)C(c2ccccc2)CNC3)ccc1-n1cnc(C)c1, CC(=O)Cl to produce COc1cc(Nc2ncc3c(n2)C(c2ccccc2)CN(C(C)=O)C3)ccc1-n1cnc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.