Using COc1ccc(NS(=O)(=O)c2ccc(OC)c3c2c2ccccc2n3C=O)cc1 to produce COc1ccc(NS(=O)(=O)c2ccc(OC)c3[nH]c4ccccc4c23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.