Using Cc1ccc(S(=O)(=O)N2Cc3ccc(CN4C(=O)c5ccccc5C4=O)cc3C2)cc1 to produce Cc1ccc(S(=O)(=O)N2Cc3ccc(CN)cc3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.