Using Cc1ccccc1C=O, O=C(O)c1ccc2nc3c(c(=O)n2c1)CCC3 to produce Cc1ccccc1C=C1CCc2c1nc1ccc(C(=O)O)cn1c2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.