Using COCOCCc1ccc(OCc2ccccc2)c(C(=O)O)c1, O=C(n1ccnc1)n1ccnc1 to produce COCOCCc1ccc(OCc2ccccc2)c(C(N)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.