Using CCCCCCCCCCCCCCCC(=O)Nc1ccc(C(=O)OCC)cc1F to produce CCCCCCCCCCCCCCCCNc1ccc(C(=O)OCC)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.