Using CCOC(=O)c1sc(N)nc1-c1ccccc1, O=C(Cl)c1ccccc1 to produce CCOC(=O)c1sc(NC(=O)c2ccccc2)nc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.