Using COc1cc(C(=O)N2CCCCc3cc(Cl)ccc32)ccc1N, CN(C)C(=O)Cl to produce COc1cc(C(=O)N2CCCCc3cc(Cl)ccc32)ccc1NC(=O)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.