Using CCOC(=O)c1cn(-c2cccc(-c3cnc(OC)nc3OC)c2)cn1 to produce COc1ncc(-c2cccc(-n3cnc(C(=O)O)c3)c2)c(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.