Using O=Cc1cnc(NC(=O)N(C2CCCCC2)C2CCCCC2)s1, COC(=O)c1ccc(CN)cc1 to produce COC(=O)c1ccc(CNCc2cnc(NC(=O)N(C3CCCCC3)C3CCCCC3)s2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.