Using CCOC(=O)CCc1cnc(-c2cc3cccc(N(C)S(=O)(=O)c4cccs4)c3[nH]2)s1 to produce CN(c1cccc2cc(-c3ncc(CCC(=O)O)s3)[nH]c12)S(=O)(=O)c1cccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.