Using CCOC(=O)N1CCN(C(=O)CI)CC1, Cc1cc(C)c2c(=O)[nH]sc2n1 to produce CCOC(=O)N1CCN(C(=O)COc2nsc3nc(C)cc(C)c23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.