Using C=CCOc1cc2onc(OCC=C)c2cc1N1CC(=O)NS1(=O)=O to produce C=CCOc1noc2cc(O)c(N3CC(=O)NS3(=O)=O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.