Using O=C(O)CNc1cc(F)cc(Cl)c1, NC(=O)c1cnc2[nH]ccc2c1NC1CCCNC1 to produce NC(=O)c1cnc2[nH]ccc2c1NC1CCCN(C(=O)CNc2cc(F)cc(Cl)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.