Using Cc1sc(N)nc1-c1ccccc1, O=C(O)CCc1cnoc1-c1ccccc1 to produce Cc1sc(NC(=O)CCc2cnoc2-c2ccccc2)nc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.