Using Cn1c(-c2c(Cl)cccc2Cl)nc2cc(C(=O)O)ccc21, Cc1ccc(N)cc1C to produce Cc1ccc(NC(=O)c2ccc3c(c2)nc(-c2c(Cl)cccc2Cl)n3C)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.