Using C1CCNC1, O=C(O)CN1CCCOc2ccc(NC(=O)c3cc4cc(Cl)ccc4[nH]3)cc21 to produce O=C(Nc1ccc2c(c1)N(CC(=O)N1CCCC1)CCCO2)c1cc2cc(Cl)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.