Using Clc1ccc2c(c1)CCNC2, O=Cc1cc(C(=O)O)c(=O)n2ccccc12 to produce O=C(O)c1cc(CN2CCc3cc(Cl)ccc3C2)c2ccccn2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.