Using COc1nc(Br)cnc1NS(=O)(=O)c1cccc2c(N(C)C(=O)OCc3ccccc3)cccc12 to produce COc1nc(Br)cnc1NS(=O)(=O)c1cccc2c(N(C)Cc3ccccc3)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.