Using CCCCNc1cc(F)ccc1C(=O)N(C)OC, COC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1 to produce CCCCNc1cc(F)ccc1C=CC(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.