Using CCCCI, CC(C)(C)OC(=O)N1CC(O)(c2ccccc2F)C1 to produce CCCCOC1(c2ccccc2F)CN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.