Using COc1ccc(CN2C(=O)CNS2(=O)=O)c(OC)c1, CCOC(OCC)c1ccc(CO)s1 to produce CCOC(OCC)c1ccc(CN2CC(=O)N(Cc3ccc(OC)cc3OC)S2(=O)=O)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.