Using Clc1ccc2c(c1)ncc1c3c([nH]c12)CCNC3, O=C(Cl)c1ccncc1 to produce O=C(c1ccncc1)N1CCc2[nH]c3c(cnc4cc(Cl)ccc43)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.