Using CCOC(=O)[C@H](Cc1ccc(OCCc2ccc(NS(C)(=O)=O)cc2)cc1)OCC, CI to produce CCOC(=O)[C@H](Cc1ccc(OCCc2ccc(N(C)S(C)(=O)=O)cc2)cc1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.