Using Cc1ccccc1N1CCN(C(=O)OC(C)(C)C)CC1c1cccc(-c2cccc(S(C)(=O)=O)c2)c1 to produce Cc1ccccc1N1CCNCC1c1cccc(-c2cccc(S(C)(=O)=O)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.