Using CCOC(=O)c1cnn(-c2nc3cc(C)c(Oc4c(C)cccc4C)cc3c(=O)[nH]2)c1 to produce Cc1cc2nc(-n3cc(C(=O)O)cn3)[nH]c(=O)c2cc1Oc1c(C)cccc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.