Using Cn1c(S(C)(=O)=O)nc2c(=O)[nH]c3cc(OCCOc4ccccc4)nn3c21 to produce Cn1cnc2c(=O)[nH]c3cc(OCCOc4ccccc4)nn3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.