Using O=C(Nc1ccc(C(=O)O)cc1)NS(=O)(=O)c1ccc(Cl)s1, Nc1ccccc1 to produce O=C(Nc1ccc(C(=O)Nc2ccccc2)cc1)NS(=O)(=O)c1ccc(Cl)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.