Using COc1ccc(S(=O)(=O)CC(Cc2ccccc2)C(=O)O)cc1, NOCc1ccccc1 to produce COc1ccc(S(=O)(=O)CC(Cc2ccccc2)C(=O)NOCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.