Using CCCCNC(=O)NS(=O)(=O)c1ccc(CCN)cc1, O=C(Cl)N1Cc2ccccc2C1=O to produce CCCCNC(=O)NS(=O)(=O)c1ccc(CCNC(=O)N2Cc3ccccc3C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.