Using CCOC(=O)c1cnc(SC)nc1N[C@@H]1CCC[C@@H]1CO to produce CSc1ncc(C(=O)O)c(N[C@@H]2CCC[C@@H]2CO)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.