Using COc1ccc(Cn2ncc3c4c(cnc32)C(=O)NC4=O)cc1, OCCc1ccccc1 to produce O=C1c2cnc3[nH]ncc3c2C(=O)N1CCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.