Using COc1cnc(C2CCOCC2)c2sc(N)nc12, COc1cccc(C(=O)O)c1 to produce COc1cccc(C(=O)Nc2nc3c(OC)cnc(C4CCOCC4)c3s2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.