Using C=O, O=C(O)c1cccc(C[C@H](NC(=O)c2csc3c2CCNC3)B(O)O)c1O to produce CN1CCc2c(C(=O)N[C@H]3Cc4cccc(C(=O)O)c4OB3O)csc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.