Using CC(=O)Nc1cc(N2CCCN(C(=O)OC(C)(C)C)CC2)ccc1S(=O)(=O)c1cccc(F)c1 to produce CC(=O)Nc1cc(N2CCCNCC2)ccc1S(=O)(=O)c1cccc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.