Using C[C@@H](CO)Oc1cc(Oc2ccc3c(c2)OCCN(Cc2ccccc2)S3(=O)=O)cc(C(=O)Nc2ccn(C)n2)c1 to produce C[C@@H](CO)Oc1cc(Oc2ccc3c(c2)OCCNS3(=O)=O)cc(C(=O)Nc2ccn(C)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.