Using C=CC(=O)Cl, Cc1cc(NC(=O)c2cc(-c3c[nH]c(=O)c(NC4CNC4)c3)ccn2)ccc1C(C)C to produce C=CC(=O)N1CC(Nc2cc(-c3ccnc(C(=O)Nc4ccc(C(C)C)c(C)c4)c3)c[nH]c2=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.