Using N=C(N)NCCC[C@H](NS(=O)(=O)c1ccc2sc3ccccc3c2c1)C(=O)Cl, CCOC(=O)CNCCOC to produce CCOC(=O)CN(CCOC)C(=O)[C@H](CCCNC(=N)N)NS(=O)(=O)c1ccc2sc3ccccc3c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.